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Revision to Spurious heater faults and how to avoid them

Tony

Send M562 P# where # is the heater number. In recent firmware version you can send M562 with no parameters to reset all heaters that are in the fault state.
 
== otherFirmware configured temperature limits ==
== otherFirmware configured temperature limits ==
 
do not forget to look to '''M143 ''' parameters - commandThe [[Gcode#Section_M143_Maximum_heater_temperature|M143]] gcode limits temp to 262 degrees and producesat preconfigured limit. A Heater Fault error if temp is above this limit. Set it in config,g

The defaults depend on the firmware version:

300°C prior to RepRapFirmware version 1.13, and 262°C from 1.13. At RepRapFirmware 1.17 the default maximum temperatures were 262C for extruders and 125C for the bed. In more recent versions the default maximum heater temperature is 290C, to allow the hot end to be tightened at 285C as per the E3D recommendation.
do not forget to look to '''M143 ''' parameters - commandThe [[Gcode#Section_M143_Maximum_heater_temperature|M143]] gcode limits temp to 262 degrees and producesat preconfigured limit. A Heater Fault error if temp is above this limit. Set it in config,g

The defaults depend on the firmware version:

300°C prior to RepRapFirmware version 1.13, and 262°C from 1.13. At RepRapFirmware 1.17 the default maximum temperatures were 262C for extruders and 125C for the bed. In more recent versions the default maximum heater temperature is 290C, to allow the hot end to be tightened at 285C as per the E3D recommendation.

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