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    duet 2 wifi all lights on and cpu getting hot

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    • Microodundefined
      Microod
      last edited by

      I was reflashing the firmware on my Duet 2 wifi to give it a static IP. the board rebooted and as soon as it booted all of the lights came on and the cpu started getting very hot. it also would not display anything on the connected paneldue. Is there anything that i can do to fix this. i did order a new fan fuse as it looked like it had blown at some point.

      Thank you for any help in advance.

      20220127_184114.jpg

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      • Phaedruxundefined
        Phaedrux Moderator
        last edited by

        Can you work through this guide and tell us how far you get?

        https://duet3d.dozuki.com/Wiki/What_to_do_if_your_Duet_won't_respond

        Did you have USB and the power supply connected at the same time when flashing the firmware?

        Z-Bot CoreXY Build | Thingiverse Profile

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        • Microodundefined
          Microod
          last edited by

          I was flashing the firmware through the web control so i only had power connected. I couldnt get past "Check the voltage indication LEDs" without a problem. I removed the 12v power and plugged in via USB. the 5v and 3.3v both lit up but the diag light was on permanently. I removed the sd card as it suggested and hit the reset button but nothing happened. the cpu still got very hot while plugged in to only USB.

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          • Phaedruxundefined
            Phaedrux Moderator
            last edited by

            Please try going through the process to flash the firmware with BOSSA. Hopefully that recovers it.

            Z-Bot CoreXY Build | Thingiverse Profile

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            • Microodundefined
              Microod
              last edited by

              i tried every available usb port on my computer. it never showed up as "duet 3d printer electronics" or "bossa". the only thing that showed up in device manager was a "unknown usb device (device descriptor request failed)".

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              • Phaedruxundefined
                Phaedrux Moderator
                last edited by

                When and where did you purchase the Duet?

                Z-Bot CoreXY Build | Thingiverse Profile

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                • Microodundefined
                  Microod
                  last edited by

                  I bought it from matterhackers in early september 2021.

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                  • Phaedruxundefined
                    Phaedrux Moderator
                    last edited by

                    And you used the erase jumpers to clear the firmware to get it to show as a BOSSA port?

                    Z-Bot CoreXY Build | Thingiverse Profile

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                    • Microodundefined
                      Microod
                      last edited by

                      Ive jumped the erase pins and the held the reset button and nothing changed. it still shows up as "unknown usb device (device descriptor request failed).

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                      • Phaedruxundefined
                        Phaedrux Moderator
                        last edited by

                        Please send an email to warranty@duet3d.com and CC your reseller. Include a link to this forum thread and the details of your original purchase. You'll receive a reply with a form to fill out.

                        Z-Bot CoreXY Build | Thingiverse Profile

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