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    Solved One thermistor not working

    Duet Hardware and wiring
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    • Ian Miller
      Ian Miller last edited by

      My T0 slot is constantly in fault, reading "N/A" for the temp.
      But my T1 slot is working fine. I am able to switch the 2 thermistors present on the board with the same result.
      In duet web control I have 2 heaters mapped to 1 tool, each with their own thermistor:
      ; Heaters
      M308 S1 P"e0temp" Y"thermistor" T100000 B4138 ; configure sensor 1 as thermistor on pin e0temp
      M308 S2 P"e0temp" Y"thermistor" T100000 B4138 ; configure sensor 2 as thermistor on pin e0temp
      M950 H1 C"e0heat" T1 ; create nozzle heater output on e0heat and map it to sensor 1
      M950 H2 C"e1heat" T2 ; create nozzle heater output on e0heat and map it to sensor 2
      M307 H1 B0 S1.00 ; disable bang-bang mode for heater 1 and set PWM limit
      M143 H1 S280 ; set temperature limit for heater 1 to 280C
      M307 H2 B0 S1.00 ; disable bang-bang mode for heater 2 and set PWM limit
      M143 H2 S280 ; set temperature limit for heater 2 to 280C

      ; Tools
      M563 P0 S"E0" D0 H1:2 F0 ; define tool 0
      G10 P0 X0 Y0 Z0 ; set tool 0 axis offsets
      G10 P0 R0 S0 ; set initial tool 0 active and standby temperatures to 0C

      Any ideas what could be causing this?

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      • SIam
        SIam last edited by

        @ian-miller said in One thermistor not working:

        M308 S1 P"e0temp" Y"thermistor" T100000 B4138 ; configure sensor 1 as thermistor on pin e0temp
        M308 S2 P"e0temp" Y"thermistor" T100000 B4138 ; configure sensor 2 as thermistor on pin e0temp

        you have for both thermistor the same input port (e0temp) defined

        Hypercube-Evolution-Hybrid, Piezo Orion, Orbiter
        Duet WiFi 1.02 or later + DueX5
        RepRapFirmware for Duet 2 WiFi/Ethernet 3.4.0beta4 (2021-09-27 11:30:36)
        Duet WiFi Server: 1.26
        Duet Web Control 3.4.0beta4 (2021-09-27)

        Ian Miller 1 Reply Last reply Reply Quote 1
        • Ian Miller
          Ian Miller @SIam last edited by

          @siam Thanks, thought I had to reference the extruder/tool it accompanied in that line. The problem is gone, thanks a lot.

          1 Reply Last reply Reply Quote 0
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