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After repairing my hardly crashed Mavic Pro, I encountered this error: "Navigation system error, check redundancy state", and here's what I did to clear out this error:

  • IMU calibration
  • Compass calibration
  • Vision sensors calibration
  • GPS board replacement
  • Firmware refresh V.01.04.0500

But none of these worked! And I'm just hoping I can find some other solution before going through IMU replacement.

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The issue was actually from the IMU not sending out commands! Had to replace the whole ESC board, and it worked, finally!!!

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