heater 1 and heater 2 fault , reading 2000.0c



  • promega but use duet wifi board

    ; --- SECTION: HEATERS, BED & THERMISTOR ---
    ; H0 is bed
    ; H1 is left heater
    ; H2 is right heater

    M570 H0 P25 T30 ; Allow heater to be off by as much as 30C for 25 seconds
    M570 H1 P15 T30 ; Allow heater to be off by as much as 30C for 15 seconds
    M570 H2 P15 T30 ; Allow heater to be off by as much as 30C for 15 seconds
    M305 P0 T100000 B4138 C0 R2200 ; Set thermistor + ADC parameters for heater 0, For heated Bed thermistor
    M305 P1 X501 R2200 ; Define left side extruder PT1000
    M305 P2 X502 R2200 ; Define right side extruder PT1000
    M307 H0 A78.9 C265.2 D9.5 S1.00 V24.0 B0 ; Forcing heated bed PID control after power-cycle. Basic bed heating auto-tune
    M307 H1 A309 C96 D5.2 S0.75 V24.1 B0 ; Set PID values use M303 auto-tune calibration settings
    M307 H2 A309 C96 D5.2 S0.75 V24.1 B0 ; Set PID values use M303 auto-tune calibration settings
    M302 P1 ; Allow Cold extrudes
    M98 Pmachine_maxtemp.g ; set bed and extruder max temperatures



  • is this a new development? or are you setting up a new machine?

    M305 P1 X501 R2200 ; Define left side extruder PT1000
    M305 P2 X502 R2200 ; Define right side extruder PT1000

    R2200 is for the duet maestro. but you said you have a duet wifi



  • @veti
    Yes I have duet WiFi



  • so delete the R2200



  • ; --- SECTION: HEATERS, BED & THERMISTOR ---
    ; H0 is bed
    ; H1 is left heater
    ; H2 is right heater

    M570 H0 P25 T30 ; Allow heater to be off by as much as 30C for 25 seconds
    M570 H1 P15 T30 ; Allow heater to be off by as much as 30C for 15 seconds
    M570 H2 P15 T30 ; Allow heater to be off by as much as 30C for 15 seconds
    M305 P0 T100000 B4138 C0 ; Set thermistor + ADC parameters for heater 0, For heated Bed thermistor
    M305 P1 X501 ; Define left side extruder PT1000
    M305 P2 X502 ; Define right side extruder PT1000
    M307 H0 A78.9 C265.2 D9.5 S1.00 V24.0 B0 ; Forcing heated bed PID control after power-cycle. Basic bed heating auto-tune
    M307 H1 A309 C96 D5.2 S0.75 V24.1 B0 ; Set PID values use M303 auto-tune calibration settings
    M307 H2 A309 C96 D5.2 S0.75 V24.1 B0 ; Set PID values use M303 auto-tune calibration settings
    M302 P1 ; Allow Cold extrudes
    M98 Pmachine_maxtemp.g ; set bed and extruder max temperatures

    delete but both heater so 2000c



  • 3:13:57 PM M305 P2 Heater 2 uses Thermistor sensor channel 2, T:100000.0 B:4388.0 C:0.00e+00 R:4700.0 L:0 H:0
    3:12:57 PM M305 P1 Heater 1 uses Thermistor sensor channel 1, T:100000.0 B:4388.0 C:0.00e+00 R:4700.0 L:0 H:0



  • 3:33:56 PMError: Temperature reading fault on heater 2: unknown temperature sensor channel
    3:33:46 PMError: Temperature reading fault on heater 1: unknown temperature sensor channel



  • @patel said in heater 1 and heater 2 fault , reading 2000.0c:

    3:12:57 PM M305 P1 Heater 1 uses Thermistor sensor channel 1, T:100000.0 B:4388.0 C:0.00e+00 R:4700.0 L:0 H:0

    that means you have another M305 command that overwrites the first setting somewhere in your config



  • @veti
    If I use PT1000 sensor I need daughterboard ? Duet WiFi.



  • @patel said in heater 1 and heater 2 fault , reading 2000.0c:

    ff I use PT1000 sensor I need daughterboard ? Duet WiFi.

    No only for PT100 and thermocouples.



  • Check your config-override for M305 commands


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