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    VSSA Thermistor 2 fault

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    Duet Hardware and wiring
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    • Pierre52undefined
      Pierre52
      last edited by

      I have been modifying a printer with a Duet 2 board. On boot up the Bed Heater connected to E1 is showing a temp of -271 degrees.
      The E0 hot end heater is showing the correct ambient temp.

      If I swap the two thermistor plugs Bed Heat reads ambient on E0 and Hot end faults to -271 on E1.
      This suggests that there is a board fault with E1 despite the fact that a close visual inspection doesn't show any physical damage
      I presume that I can connect the bed thermistor to any one of the 5 spare thermistor pins 35 - 39 on the expansion socket. As there is only one pin for each of those five spare spots, I presume the other thermistor lead is connected to ground?

      Pierre52undefined 1 Reply Last reply Reply Quote 0
      • Pierre52undefined
        Pierre52 @Pierre52
        last edited by Pierre52

        @Pierre52 Doh. Problem solved when i connected the bed Thermistor to the correct plug beside the bed heater.

        1 Reply Last reply Reply Quote 1
        • Phaedruxundefined Phaedrux marked this topic as a question
        • Phaedruxundefined Phaedrux has marked this topic as solved
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