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    Small chip burned out.

    Scheduled Pinned Locked Moved
    Duet Hardware and wiring
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    • Hiroakiundefined
      Hiroaki
      last edited by

      Hello.
      My printer had a bad connection of temp sensor and I was leaving it for a few minutes.
      Then small chip near by CPU made smoke and burned out.
      Maybe the connection to the sensor was short circuit.

      After it was burned out, I turned the switch on.
      But found there was no problem.
      Even the temperature was shown at the right temperature.
      So my question is
      What was burned out ?
      What was this chip for ?
      Do somebody know the part number of this ?
      IMG_5719.JPG
      IMG_5720.JPG IMG_5721.JPG
      IMG_5722.JPG

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      • A Former User?
        A Former User
        last edited by

        looks like the VSSA fuse, which suggest a short in thermistor for bed/hotend to a heater.

        https://duet3d.dozuki.com/Wiki/Connector_and_spare_part_numbers#Section_VSSA_fuse

        think there may different sizes for different revisions of the board however

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