topic_solved 3.3RC1+2 heater tuning problem
When trying to tune the hotend heater with
M303 H1 S240 A58
tuning is starting with phase2 and after switching to phase 3 temperature is jumping to 400°C and more.
I'm using a Duet Mini 5 with SBC and 3.3RC1+2 you provided me last week due to the SBC connection problems.
; Heaters M308 S0 P"temp0" Y"thermistor" T100000 B4092 ; configure sensor 0 as PT1000 on pin temp0 M950 H0 C"out1" T0 ; create bed heater output on out0 and map it to sensor 0 M307 H0 B0 S1.00 ; disable bang-bang mode for the bed heater and set PWM limit M140 H0 ; map heated bed to heater 0 M143 H0 S120 ; set temperature limit for heater 0 to 120C M308 S1 P"temp1" Y"thermistor" T100000 B3950 ; configure sensor 1 as PT1000 on pin temp1 M950 H1 C"out2" T1 ; create nozzle heater output on out1 and map it to sensor 1 M307 H1 B0 S1.00 ; disable bang-bang mode for heater and set PWM limit M143 H1 S300 ; set temperature limit for heater 1 M308 S2 P"temp2" A"Chamber" Y"thermistor" T100000 B3950
Same behaviour without A parameter.
@martinnyhc do you mean the displayed temperature jumps suddenly to 400C when it enters phase 3? Or increases gradually to 400C, as if it is heating up?
It looks like my brand new Thermistor was faulty. Replaced it and now it looks good.
Sorry for that!
No problem! Glad you solved it.