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    Did I fry my stepper drivers?

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    Duet Hardware and wiring
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    • kuhner1undefined
      kuhner1
      last edited by

      I increased the length of my stepper motor's wires by soldering in a section of spare wire. I forgot to wrap the solder points in electrical tape. So when I bound them together with a wire wrap all the solder points were able to make contact with each other. I plugged this motor into my Duet Maestro.

      I was troubleshooting with this motor plugged in for quite a while before I realized what I had done. Is it possible that I fried my stepper drivers? Now I can't seem to get anything to work and I get the (Error: Short to ground detected on drivers: X) error.

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      • T3P3Tonyundefined
        T3P3Tony administrators
        last edited by

        Your description + the short to ground error means its likely that the driver is damaged. If you have known good motor that works on another axis then try it on that driver. Hopefully you have an unused stepper driver output and can remap the x axis?

        www.duet3d.com

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        • kuhner1undefined
          kuhner1
          last edited by

          I think I may have fried the #5 driver on the Duet Maestro Addon board (I'm trying to setup IDEX). Originally I thought I fried drive #4 as well but that was because I was using a bad stepper motor.

          I am trying to use driver #5 for my U axis. I just tested driving the U axis. It successfully moved 2mm on two separate commands, then stopped working. It doesn't move at all but makes noise as if it is trying to move.

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          • kuhner1undefined
            kuhner1
            last edited by

            " (Error: Short to ground detected on drivers: X) error."

            ^ This is no longer occurring, this was caused to a faulty stepper motor that I was using originally.

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            • Phaedruxundefined
              Phaedrux Moderator
              last edited by

              Make sure you've identified the stepper motor phases and wired them correctly.

              https://duet3d.dozuki.com/Wiki/Choosing_and_connecting_stepper_motors#Section_Identifying_the_stepper_motor_phases

              Also make sure your crimps are good.

              Z-Bot CoreXY Build | Thingiverse Profile

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              • kuhner1undefined
                kuhner1
                last edited by

                I have been testing the driver with 3+ other motors and wiring that I know works. Same result, I have ordered another expansion board. Hopefully that will fix the issue.

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