you reply is not help, i have different problem with duet wifi original and only one post not possible, i create a post for problem

today other problem with duet 2 wifi 1.0.4c, FAN 0 e FAN 2 not working FAN 1 working and other FAN Ok

@Phaedrux said in Temp hotend not stop other limit and have error:

B3950

Have this error Warning: Auto tune of heater 1 failed due to bad curve fit (A=1636.8, C=129.8, D=6.1)

tomorrow change value and tell if have solve, have list with all code thermistore? have gcode for test thermistore o for see correct number

have image for correct mount? i have test with fan down effector, and if touch nozzle, led gren start, possible not have mount correct? Have see guide smart effector e not have idea error

have thermistore HE3D

4/2/2021, 18:30:14 Warning: Auto tune of heater 1 failed due to bad curve fit (A=1970.5, C=166.0, D=5.6)
4/2/2021, 18:27:40 Auto tune phase 3, peak temperature was 325.5
4/2/2021, 18:27:30 Auto tune phase 2, heater off
4/2/2021, 18:27:00 Auto tune phase 1, heater on
4/2/2021, 18:26:54 M303 H1 S280
Auto tuning heater 1 using target temperature 280.0°C and PWM 0.80 - do not leave printer unattended

@Veti new auto tune ok. If not solve write

yes have see link, not have solution

@Veti remove M500