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    My "Temp 0" port always returns NA on my Duet 3 Mini 5+

    Scheduled Pinned Locked Moved
    Duet Hardware and wiring
    bed heater
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    • tylersuardundefined
      tylersuard
      last edited by

      I am trying to install a bed heater, and my Temp 0 is not reading, at all. I know it's not the thermistor, because I have tested it. I can move that same thermistor to Temp 1 and Temp 2 and it reads just fine, but I have one extruder thermistor in each of those ports already.

      How can I fix this? My setup code for the bed heater is:

      ; Heaters
      M308 S0 P"temp0" Y"thermistor" T100000 B3950 A"Bed"
      M950 H0 C"out0" T0
      M307 H0 B0 S.50
      M140 H0
      M143 H0 S85

      I believe I am using Reprap 3.4, and I am using a Keenovo silicon heater pad, and here is the thermistor table:
      https://www.keenovo.com/NTC-Thermistor-R-T-Table.pdf

      Thank you for your help.

      tylersuardundefined moth4017undefined dc42undefined 3 Replies Last reply Reply Quote 0
      • tylersuardundefined
        tylersuard @tylersuard
        last edited by

        Here is my entire config file config(3).g

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        • moth4017undefined
          moth4017 @tylersuard
          last edited by

          @tylersuard ``` here is mine from duet3 mini5

          ; Heaters + temperature sensors
          ;Bed
          M308 S0 P"temp0" Y"thermistor" T100000 B3950 A"Bed T °C" ; configure sensor 0 as thermistor on pin bedtemp
          M950 H0 C"out2" T0 Q10 ; create bed heater output on bedheat and map it to sensor 0
          M307 H0 R0.838 K0.331:0.000 D3.08 E1.35 S0.90 B0 ; PDI info for 8mm aluminium bed 700w Heater NTC 100K 3950
          M140 H0 ; map heated bed to heater 0
          M143 H0 S130 ; set temperature limit for heater 0 to max C
          ;extruder
          M308 S1 P"temp1" Y"pt1000" A"Extruder T °C" ; configure sensor 1 as PT1000
          M950 H1 C"out1" T1 ; create nozzle heater output
          M307 H1 R4.449 K0.705:0.000 D6.21 E1.35 S1.00 B0 V23.8 ; PDI
          M570 H1 P10 T20 😜 = heater fault timer sec ,T= temperature excursion deg C
          M143 H1 S360

          <

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          • dc42undefined
            dc42 administrators @tylersuard
            last edited by

            @tylersuard if you send M308 S0 from the DWC console, what is the response?

            Duet WiFi hardware designer and firmware engineer
            Please do not ask me for Duet support via PM or email, use the forum
            http://www.escher3d.com, https://miscsolutions.wordpress.com

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