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    Fan short

    Scheduled Pinned Locked Moved
    Duet Hardware and wiring
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    • Amiliousundefined
      Amilious
      last edited by

      So I was having those problems with my WiFi card and finally got my board back. Everything was working great except my fan 0 radial fan was not running. I wiggled the cables a little and the fan started. After a while i came back and noticed it was not running again. I tried plugging it into the fan 1 and the same thing happened. I did not learn enough form that and tried fan 2. So there was a short in the fan, and if my research is right, I fried the mosfets. Just to verify on the DuetWiFI these would be the PMV40UN2's correct. TR1, TR9, and TR5. If that is correct, I am guessing that these would work as a replacement -> https://www.digikey.com/product-detail/en/nexperia-usa-inc/PMV40UN2R/1727-1900-1-ND/5056345?utm_adgroup=Semiconductor%20Modules&gclid=EAIaIQobChMI8cmY7eKo2AIVz7XACh3iTAD_EAAYASAAEgIFKvD_BwE
      I will also get a 862d+ 2 in 1 SMD Soldering Reworking Station.
      It has been a while since the air force when i worked on things like this.

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      • Amiliousundefined
        Amilious
        last edited by

        I have DuetWiFI v1.01

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        • dc42undefined
          dc42 administrators
          last edited by

          Yes that's the correct part. Are you sure that you tried the mosfets - have you tried another fan?

          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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          • Amiliousundefined
            Amilious
            last edited by

            Yeah I tried another fan, I saw the pins ark in the connector the I used fan2

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