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    Fans don't turn on/work

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    Duet Hardware and wiring
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    • Asabolundefined
      Asabol
      last edited by

      I am using a Creality Ender 3.

      Here is a better picture for you to see the fan mosfets.
      IMG-0845.jpg (image url)

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      • Phaedruxundefined
        Phaedrux Moderator
        last edited by

        They look ok in that image.

        It's possible that you've blown the fan fuse. It's located next to the fan ports and has a number 1 on the top of it. You will probably have to remove it and check it with a multimeter for continuity to check if it's blown or not if you can't immediately tell visually.

        https://duet3d.dozuki.com/Wiki/Connector_and_spare_part_numbers?revisionid=HEAD#Section_Blade_fuses

        Z-Bot CoreXY Build | Thingiverse Profile

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        • Asabolundefined
          Asabol
          last edited by

          Any tips on how to go about removing the fuse?

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          • Phaedruxundefined
            Phaedrux Moderator
            last edited by

            Ideally with a fuse puller, but pliers and firm wiggling should do it.

            Z-Bot CoreXY Build | Thingiverse Profile

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

              pull it straight up?

              or print a fuse puller (mini auto/blade fuse)
              https://www.thingiverse.com/search?q=fuse+puller&type=things&sort=relevant

              (or what he said ☝ ... I blame thingiverse for being sooooooo sloooow!)

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              • Asabolundefined
                Asabol
                last edited by

                So after testing the fuse we concluded that it is a dead fuse. I don't have any other 1 amp fuses laying around. I do however have a 2 amp fuse. Would it be ok to run a 2 amp fuse or would I be at risk damaging the board and or the fans?

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                • Phaedruxundefined
                  Phaedrux Moderator
                  last edited by

                  You can use a 2A fuse if you have one handy. It will just take longer to blow and risk more damage. 1A fuses can usually be found in automotive or motorcycle shops more commonly.

                  Z-Bot CoreXY Build | Thingiverse Profile

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                  • Asabolundefined
                    Asabol
                    last edited by

                    Hey thanks for all the help. Question do you have any recommendations for where I could buy a replacement 1 amp mini blade fuse? Considering it is kind of hard for me to find them locally.

                    dc42undefined 1 Reply Last reply Reply Quote 0
                    • A Former User?
                      A Former User
                      last edited by

                      If you can find 1A blade fuse that is larger it is possible to trim the legs and make it fit the mini fuse holder. Doesn't look great but works. (will see if I can add a picture tomorow)

                      Most electronics suppliers online will have the fuses, as well as amazon, ebay and the usual range of chinese sites.

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                      • dc42undefined
                        dc42 administrators @Asabol
                        last edited by

                        @Asabol said in Fans don't turn on/work:

                        Hey thanks for all the help. Question do you have any recommendations for where I could buy a replacement 1 amp mini blade fuse? Considering it is kind of hard for me to find them locally.

                        Try eBay.

                        Duet WiFi hardware designer and firmware engineer
                        Please do not ask me for Duet support via PM or email, use the forum
                        http://www.escher3d.com, https://miscsolutions.wordpress.com

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