Clean up some temp config

Marlin/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/default/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/3DFabXYZ/Migbot/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 5   // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME      5  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 5   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  5  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/AlephObjects/TAZ4/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 0   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  0  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 250
 #define HEATER_1_MAXTEMP 250
 #define HEATER_2_MAXTEMP 250

config/examples/AliExpress/CL-260/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/AliExpress/UM2pExt/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Anet/A2/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Anet/A2plus/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Anet/A6/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Anet/A8/Configuration.h

@@ -389,19 +389,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 6   // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME      6  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 6   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  6  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -410,9 +407,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/AnyCubic/i3/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/ArmEd/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Azteeg/X5GT/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/BIBO/TouchX/cyclops/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 285
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/BIBO/TouchX/default/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/BQ/Hephestos/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 0   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  0  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 260
 #define HEATER_1_MAXTEMP 260
 #define HEATER_2_MAXTEMP 260

config/examples/BQ/Hephestos_2/Configuration.h

@@ -396,19 +396,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -417,9 +414,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 230
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/BQ/WITBOX/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 0   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  0  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 260
 #define HEATER_1_MAXTEMP 260
 #define HEATER_2_MAXTEMP 260

config/examples/Cartesio/Configuration.h

@@ -389,19 +389,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 4   // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME      4  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 1   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  1  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -410,9 +407,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 415
 #define HEATER_1_MAXTEMP 415
 #define HEATER_2_MAXTEMP 415

config/examples/Creality/CR-10/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Creality/CR-10S/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 250
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Creality/CR-10_5S/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 265
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Creality/CR-10mini/Configuration.h

@@ -397,19 +397,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -418,9 +415,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Creality/CR-8/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Creality/Ender-2/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Creality/Ender-3/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Creality/Ender-4/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Einstart-S/Configuration.h

@@ -390,19 +390,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -411,9 +408,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Felix/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 15  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     15  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 0   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  0  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Felix/DUAL/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 15  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     15  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 0   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  0  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/FlashForge/CreatorPro/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/FolgerTech/i3-2020/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 245
 #define HEATER_1_MAXTEMP 245
 #define HEATER_2_MAXTEMP 245

config/examples/Formbot/Raptor/Configuration.h

@@ -433,19 +433,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -453,9 +450,9 @@
 #define HEATER_4_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 290
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Formbot/T_Rex_2+/Configuration.h

@@ -403,19 +403,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -424,9 +421,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 410
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Formbot/T_Rex_3/Configuration.h

@@ -397,19 +397,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -418,9 +415,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 410
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Geeetech/A10M/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Geeetech/A20M/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Geeetech/GT2560/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Geeetech/I3_Pro_X-GT2560/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Geeetech/MeCreator2/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Geeetech/Prusa i3 Pro B/bltouch/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Geeetech/Prusa i3 Pro B/noprobe/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Geeetech/Prusa i3 Pro C/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Geeetech/Prusa i3 Pro W/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Infitary/i3-M508/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/JGAurora/A5/Configuration.h

@@ -393,19 +393,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -414,9 +411,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 265
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/MakerParts/Configuration.h

@@ -408,19 +408,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -429,9 +426,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Malyan/M150/Configuration.h

@@ -396,19 +396,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -417,9 +414,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Malyan/M200/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 250
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Micromake/C1/basic/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Micromake/C1/enhanced/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Mks/Robin/Configuration.h

@@ -389,19 +389,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -410,9 +407,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Mks/Sbase/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Printrbot/PrintrboardG2/Configuration.h

@@ -389,19 +389,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -410,9 +407,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/RapideLite/RL200/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 250
 #define HEATER_1_MAXTEMP 250
 #define HEATER_2_MAXTEMP 250

config/examples/RepRapPro/Huxley/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/RepRapWorld/Megatronics/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 0   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  0  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/RigidBot/Configuration.h

@@ -391,19 +391,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 //#define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 0   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  0  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -412,9 +409,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/SCARA/Configuration.h

@@ -419,19 +419,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 3  // (seconds)
-#define TEMP_HYSTERESIS 2       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME 3  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_HYSTERESIS 2       // (°C) Temperature proximity considered "close enough" to the target
+#define TEMP_WINDOW     1       // (°C) Temperature proximity for the "temperature reached" timer
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 0   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  0  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -440,9 +437,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/STM32F10/Configuration.h

@@ -389,19 +389,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -410,9 +407,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/STM32F4/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Sanguinololu/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/TheBorg/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/TinyBoy2/Configuration.h

@@ -415,19 +415,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -436,9 +433,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 250
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Tronxy/X1/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 260
 #define HEATER_1_MAXTEMP 260
 #define HEATER_2_MAXTEMP 260

config/examples/Tronxy/X3A/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Tronxy/X5S-2E/Configuration.h

@@ -390,19 +390,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -411,9 +408,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 // Tronxy X5S-2E:
 // WARNING: Never exceed 260C. The OEM stock model uses low temperature heat breaks with PTFE-lining.
 #define HEATER_0_MAXTEMP 260

config/examples/Tronxy/X5S/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Tronxy/XY100/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/UltiMachine/Archim1/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/UltiMachine/Archim2/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/VORONDesign/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Velleman/K8200/Configuration.h

@@ -408,19 +408,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -429,9 +426,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Velleman/K8400/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 2   // (seconds)
-#define TEMP_HYSTERESIS 5       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME      2  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          5  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Velleman/K8400/Dual-head/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 2   // (seconds)
-#define TEMP_HYSTERESIS 5       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME 2   // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_HYSTERESIS 5       // (°C) Temperature proximity considered "close enough" to the target
+#define TEMP_WINDOW     1       // (°C) Temperature proximity for the "temperature reached" timer
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/WASP/PowerWASP/Configuration.h

@@ -407,19 +407,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 5  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME      5  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -428,9 +425,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 230
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/Wanhao/Duplicator 6/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 260
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/adafruit/ST7565/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 0   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  0  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/delta/Anycubic/Kossel/Configuration.h

@@ -409,19 +409,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -430,9 +427,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/delta/FLSUN/auto_calibrate/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 5
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 1   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  1  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 250
 #define HEATER_1_MAXTEMP 250
 #define HEATER_2_MAXTEMP 250

config/examples/delta/FLSUN/kossel/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 5
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 1   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  1  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 250
 #define HEATER_1_MAXTEMP 250
 #define HEATER_2_MAXTEMP 250

config/examples/delta/FLSUN/kossel_mini/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 5
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 1   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  1  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/delta/Geeetech/Rostock 301/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 0   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  0  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/delta/Hatchbox_Alpha/Configuration.h

@@ -393,19 +393,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 0   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  0  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -414,9 +411,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/delta/MKS/SBASE/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/delta/Tevo Little Monster/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 1  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  1  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/delta/generic/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 0   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  0  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/delta/kossel_mini/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 5
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 0   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  0  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/delta/kossel_pro/Configuration.h

@@ -392,19 +392,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 0   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  0  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -413,9 +410,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/delta/kossel_xl/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 0   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  0  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/gCreate/gMax1.5+/Configuration.h

@@ -396,19 +396,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 16  // (seconds)
-#define TEMP_HYSTERESIS 12      // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     5       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     16  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              5  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS         12  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -417,9 +414,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 245
 #define HEATER_1_MAXTEMP 245
 #define HEATER_2_MAXTEMP 245

config/examples/makibox/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 0   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  0  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/stm32f103ret6/Configuration.h

@@ -389,19 +389,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -410,9 +407,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/tvrrug/Round2/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 0   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME  0  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275

config/examples/wt150/Configuration.h

@@ -388,19 +388,16 @@
 //#define TEMP_SENSOR_1_AS_REDUNDANT
 #define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
 
-// Extruder temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_RESIDENCY_TIME     10  // (seconds) Time to wait for hotend to "settle" in M109
+#define TEMP_WINDOW              1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_HYSTERESIS          3  // (°C) Temperature proximity considered "close enough" to the target
 
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds) Time to wait for bed to "settle" in M190
+#define TEMP_BED_WINDOW          1  // (°C) Temperature proximity for the "temperature reached" timer
+#define TEMP_BED_HYSTERESIS      3  // (°C) Temperature proximity considered "close enough" to the target
 
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
+// Below this temperature the heater will be switched off
+// because it probably indicates a broken thermistor wire.
 #define HEATER_0_MINTEMP   5
 #define HEATER_1_MINTEMP   5
 #define HEATER_2_MINTEMP   5
@@ -409,9 +406,9 @@
 #define HEATER_5_MINTEMP   5
 #define BED_MINTEMP        5
 
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
+// Above this temperature the heater will be switched off.
+// This can protect components from overheating, but NOT from shorts and failures.
+// (Use MINTEMP for thermistor short/failure protection.)
 #define HEATER_0_MAXTEMP 275
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275