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Repair guides and disassembly information for the DJI Mini 3, released in December 2022 for $499. It is a lightly downgraded version of the Mini 3 Pro.

Errors on mini 3 after repairs

I recently got a DJI mini 3 with a broken front left arm. These are all the repairs I have done and the state of the drone after each:

  • Replaced front left arm
    • Broke GPS ribbon cable
    • Small plastic cube came off the gimbal cable
  • Replaced GPS ribbon cable with one from a M4p
    • Now flies
    • Gimbal stuck error (yaw/roll don't move, but all axes move manually)
  • Replaced gimbal cable with one from a M4p
    • Damaged pitch motor ribbon cable during disassembly, replaced arm and motor with one from a M4p
    • Gimbal is now detached from the drone
    • No errors, gimbal moves when held
  • Reattached gimbal
    • Gimbal does not move, no video feed
    • Tons of errors (see pictures)
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I'm confused by the downward vision sensor error. I didn't mess with anything but the gimbal after I got it working while detached other than to try and address these issues.

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I bought a crashed mini 3 and had to replace the front left arm/motor assembly and was told that there was a gimbal issue.. after going over the board I find that there is super glue in the camera connector . I have tried 90% isopropyl alcohol with a plastic and wooden toothpick to get it out and no success. Does anyone have any other solutions that would help other then get another board ????

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High heat will quickly turn super glue into powder. You can also try using something harder (like metal tweezers) to scrape it off, just be careful not to damage the contacts..

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Fixed it. Turns out I wasn't pressing the gimbal cable back in hard enough, and despite what google said the mini 4 pro cable wasn't compatible, causing all those vision sensor errors despite the mini 3 not having any vision sensors.

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