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    Overheating Microcontroller/Dead board

    Duet Hardware and wiring
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    • Tycarr
      Tycarr last edited by Tycarr

      SO I have had this duet board for about 2 months while waiting for my parts, the board was tested on a different build and had no issues. When I went to assemble the board with my railcore build, a friend of mine noticed that the microcontroller was getting extremely hot under just the USB power.

      At that stage, the lights on the board were flickering as well as the e6 light on the duex 5 expansion board

      We tried to reset the board and firmware. now the device just shows up with the following error message:

      usb.PNG usb2.PNG

      The device is not detected in YAT either

      note the bossa driver had to be installed manually, it did not pop up on its own after the board was erased and reset

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      • Tycarr
        Tycarr last edited by Tycarr

        ![0_1606241964218_board pic.PNG](Uploading 100%) Here is an image of the board:

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        • Phaedrux
          Phaedrux Moderator last edited by

          Can you try uploading your image again? It can take a moment to fully load.

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          • Tycarr
            Tycarr last edited by

            board pic.PNG

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            • Phaedrux
              Phaedrux Moderator last edited by

              When and where did you purchase the board?

              See how far along you can get through this: https://duet3d.dozuki.com/Wiki/What_to_do_if_your_Duet_won't_respond

              Tycarr 1 Reply Last reply Reply Quote 0
              • Tycarr
                Tycarr @Phaedrux last edited by

                @Phaedrux purchased in august through filastruder, and I went through all these steps3

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                • Veti
                  Veti last edited by

                  do you have a different computer / usb cable you can try?

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                  • Phaedrux
                    Phaedrux Moderator last edited by

                    I would say there may be a chance that flashing the firmware could get it back on track, but if it's reporting the USB device as failing I think that's unlikely to happen.

                    I'll see if there are any other ideas on what to try.

                    Was there any potentially shorted wiring during the railcore assembly? Definitely double check for that since we wouldn't want to kill a replacement board if it comes to that.

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                    • Phaedrux
                      Phaedrux Moderator last edited by

                      Would you be able to connect VIN power only and see if the 5v LED lights up?

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                      • Tycarr
                        Tycarr last edited by

                        on vin power the board looks the same

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                        • A Former User
                          A Former User last edited by

                          The little dark spot on the microcontroller, under where the sticker were, is that just something visual or is it a bump/hole?

                          Tycarr 1 Reply Last reply Reply Quote 0
                          • Phaedrux
                            Phaedrux Moderator last edited by

                            Please contact Filastruder and initiate a warranty exchange. Include a link to this thread as authorization.

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                            • Tycarr
                              Tycarr @Guest last edited by

                              @bearer just a visual artifact

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