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    Duet 2 Wifi: Not responding at all

    Scheduled Pinned Locked Moved Unsolved
    Duet Hardware and wiring
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    • A Former User?
      A Former User
      last edited by

      Pull the sd-card and the endstops see if it helps?

      Does anything get hot after having done so?

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      • adams2b22undefined
        adams2b22
        last edited by

        Everything disconnected but usb. No communication to the board at all.

        IMG_20200628_142931.jpg

        A Former User? 1 Reply Last reply Reply Quote 0
        • A Former User?
          A Former User @adams2b22
          last edited by

          @adams2b22 said in Duet 2 Wifi: Not responding at all:

          Everything disconnected but usb.

          sd card is still present, please remove as well.

          does this get warm? and clan you get a clear close up of it?

          f23083af-25b2-412e-acc7-c5ea161b81a5-image.png

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          • adams2b22undefined
            adams2b22
            last edited by

            It has no temp to speak of.
            IMG_20200628_143532.jpg

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            • A Former User?
              A Former User
              last edited by A Former User

              the hole or crater on the chip suggest it let the magic smoke out. (that is the chip that makes the 3.3v)

              closer look may suggest fan0 have had some surplus excitement as well?

              89ab0c15-9830-46f2-a09c-9c281c7e1285-image.png

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              • adams2b22undefined
                adams2b22
                last edited by adams2b22

                It was wired directly to the diagrams. I don't understand. I triple checked everything before I put it on the board.

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                • A Former User?
                  A Former User
                  last edited by

                  hmm, could be some debris near the cpu 3.3v supply; also looks like something bad happened down there.
                  700b8473-d9aa-45d8-8494-d50de73901ca-image.png

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                  • A Former User?
                    A Former User
                    last edited by

                    In any case its gonna need a new 3.3v regulator, probably a fan mosfet and possibly a processor. Maybe more, hard to say without clear picture of the whole board, even then its a bit uncertain.

                    I'll leave it to the Duet people to determine the cause and action to take.

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                    • adams2b22undefined
                      adams2b22 @A Former User
                      last edited by

                      @bearer Ughhhhh.....dang. It was fine last night, then this. Thanks for the help

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                      • Phaedruxundefined
                        Phaedrux Moderator
                        last edited by

                        It would appear that something may have made contact with the board and shorted some pins.
                        Is this a new board and installation? Was it installed in an enclosure?

                        Z-Bot CoreXY Build | Thingiverse Profile

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                        • adams2b22undefined
                          adams2b22 @Phaedrux
                          last edited by

                          @Phaedrux Brand new board and it was mounted before I took the pics.

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                          • Phaedruxundefined
                            Phaedrux Moderator
                            last edited by

                            We will extend to you the benefit of the doubt and offer a warranty replacement provided the board was purchased within the previous 6 months from an authorized reseller. Please contact your vendor to initiate a warranty replacement. You can direct them to this thread as authorization. Thank you for your patience and sorry for the inconvenience.

                            Z-Bot CoreXY Build | Thingiverse Profile

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                            • adams2b22undefined
                              adams2b22 @Phaedrux
                              last edited by

                              @Phaedrux Thank you very much. I appreciate your help in figuring this out.

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