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    Duet won't boot problem

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

      @mkrsjak said in Duet won't boot problem:

      I thought we have EU warranty 2 years

      that could be something to ask your vendor about; I would have consumer protection rights if purchased locally even if the manufacturer says 6 months but I can't speak to your local rules; and it would be a matter for the vendor, not the manufacturer.

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      • mkrsjakundefined
        mkrsjak @A Former User
        last edited by

        @bearer said in Duet won't boot problem:

        A4403GEUTR

        I found this one, seems to be within fast shipping reach.
        https://www.tme.eu/at/en/details/a4403geutr-t/voltage-regulators-dc-dc-circuits/allegro-microsystems/

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        • A Former User?
          A Former User
          last edited by

          Looks like the correct one. (but you will need a hot air station, a preheater/hotplate and some good flux as well)

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          • mkrsjakundefined
            mkrsjak @A Former User
            last edited by

            @bearer said in Duet won't boot problem:

            ut you will need a hot air station, a preheater/hotplate and some good

            Have hotair, no preheat and really doing this the first time.

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

              @bearer are the other 2 numbers important? 4403T XXXX YYYL ? cause there are many versions with different X and Y

              A Former User? 1 Reply Last reply Reply Quote 0
              • T3P3Tonyundefined
                T3P3Tony administrators
                last edited by T3P3Tony

                @mkrsjak said in Duet won't boot problem:

                4403T XXXX YYYL

                The A4403 datasheet is here:https://www.allegromicro.com/~/media/Files/Datasheets/A4403-Datasheet.ashx

                ;
                The part numbering specifically
                ecff334d-3018-4d61-adde-bbf116ce1e59-image.png

                www.duet3d.com

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                • mkrsjakundefined
                  mkrsjak
                  last edited by

                  ok, will buy and hopefully fix it, will post the result. thank you all for the outstanding help!

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

                    @mkrsjak said in Duet won't boot problem:

                    no preheat and really doing this the first time.

                    just be carefull with the surrounding parts, shield with kapton or alu tape (don't take the paper backing off the alu tape, it makes a mess (when very hot))

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

                      @mkrsjak said in Duet won't boot problem:

                      are the other 2 numbers important?

                      to add on Tonys reply; usually the last few numbers/letters refer to packageing, both in terms of which package it is (qnf, qft, bga sop etc) and how its packaged, tape, tray, tube etc; and the details are usually in the datasheets. (I posted the variant that is commonly available as "cut tape" in low quantity)

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                      • mkrsjakundefined
                        mkrsjak
                        last edited by

                        @bearer said in Duet won't boot problem:

                        QNF

                        I was something else wrong with the board. The U3 gets fried again, even with no connections except the power IN.
                        I will buy a replacement, but really not see a point buy from duet with only 6months of warranty. This should be fixed in general.
                        Even shoes and heavily wearing products have 2 years. Shame.

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                        • Phaedruxundefined
                          Phaedrux Moderator
                          last edited by

                          Sorry to hear you've had an unfortunate hardware failure and were unable to resolve it. The warranty provided can be reviewed here: https://www.duet3d.com/warranty

                          Unfortunately you're out of the warranty period it would seem. However, we may be able to provide you with a refurbished board at a reduced price on exchange. Please contact roland@duet3d.com to inquire about current availability.

                          Z-Bot CoreXY Build | Thingiverse Profile

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