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    • Xanadenundefined
      Xanaden
      last edited by Xanaden

      Hello

      My Reseller told me to open a Thread in this Forum because i bought a new Duet with 7" Panel last week from Makerdise. I used it 5 Days with out a Problem yesterday during print with out touching the wiring the Panal smoked and the LED turn dark. The Wiring is professionally done ( its my job) nothing went lose.

      If i turn the Power on now the thers only the 2 Power Led Blue and Red on. Display and the rest stays dark.

      I was using a Duet Ethernet befor on this printer for about 6 Month only wanted to switch to the Wifi and the 7" display now. My other 4 Duet´s have had no Single problems until now.
      After the "crash" is switched back to the a Other Duet on this printer and have no problems ther too

      ![alt text](0_1530527847986_017e62b6c825dd01ce17264c1ad47fb92d69418f5c.jpg image url)

      T3P3Tonyundefined 1 Reply Last reply Reply Quote 0
      • T3P3Tonyundefined
        T3P3Tony administrators @Xanaden
        last edited by

        @xanaden can you power the board just from USB without the PanelDue connected and see if you get 3.3V V and you can connect to the Duet.

        www.duet3d.com

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        • Xanadenundefined
          Xanaden
          last edited by

          @T3P3Tony Sure i can but it looks like 3.3V is missing.
          0_1530602448002_015d142cb88136dbc10b0d4c8d08c17e91801e9856.jpg

          Still Dunno why my "old" duet ethernet is still working fine on the same machine.

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          • makerdiseundefined
            makerdise
            last edited by makerdise

            Hi @T3P3Tony @Xanaden

            for verification, @Xanaden is our client...

            To me it looks like U2 got a blister mark on the top right corner. That correlates with the 3.3V LED or am I wrong @dc42 ?

            @Xanaden - please load up a detailed image that we can see the part on U2 in detail.

            The biggest european Duet3D reseller
            https://www.makerdise.com

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            • Xanadenundefined
              Xanaden
              last edited by

              0_1530603296463_01422fc3caca3d2c1ae5aebce0e578f137f9bb3f23.jpg

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              • Xanadenundefined
                Xanaden
                last edited by

                Pin 1 zu Pin 2 von 4.0 Ohm and Pin 1 to Pin 3 42.4Ohm and Pin 2 to Pin 3 40.2 Ohm

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                • makerdiseundefined
                  makerdise
                  last edited by

                  It's hard to see - maybe I am wrong and it ain't U2 (the L1 socket also looks kind of unsual to me)
                  As I don't know the normal level between the pins @T3P3Tony @dc42 please advice

                  The measurements from @Xanaden translated

                  • Pin1 -> Pin2 = 4Ω
                  • Pin1 -> Pin3 = 42.4Ω
                  • Pin2 -> Pin3 = 40.2Ω

                  The biggest european Duet3D reseller
                  https://www.makerdise.com

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                  • makerdiseundefined
                    makerdise
                    last edited by

                    Some updates: the board and panel needs to be inspected by a technician for further analysis. We will send out a new board, pd 7" and a return label today.

                    @Xanaden - please fill in the warranty form:
                    https://www.duet3d.com/warranty

                    The biggest european Duet3D reseller
                    https://www.makerdise.com

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                    • T3P3Tonyundefined
                      T3P3Tony administrators
                      last edited by

                      @makerdise @xanden

                      I agree it looks like the 3.3V regulator has blown. That is likely to be a short between VIN and some part of the 5V system (causing the regulator to "see" VIN rather than 5V.). Before you ship it back can you check to see if the 5V LED comes on with just VIN plugged in, no USB.

                      It is important to check all your wiring very carefully to ensure there are no shorts. Issues we have seen before:

                      • Heater cartiridge shorting to hearter block shorting to thermistor.
                      • Shorts within wiring looms
                      • Shorts on the back of the board due to mounting

                      P.S. please can you fill in the reseller warranty form not the Duet3d one:
                      https://docs.google.com/forms/d/17WRpYT6JcQLoGkr0_o0HU3xC2dzrbPzm1gcxMugnaxY/

                      www.duet3d.com

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