troubleshooting guideOfficial project sourceFlight-critical

ArduPilot Pre-Arm Errors: Fix the Cause, Do Not Hide the Warning

Use the ground-station message to identify and correct configuration, calibration or sensor health before flight.

10 minintermediateChecked 2026-07-29T00:00:00.000Z

Diagnosis sequence

Record the complete message.
Confirm vehicle type, firmware and board.
Check sensor health, calibration, GPS, compass consistency, battery monitoring and radio calibration.
Review recent wiring, parameter, firmware or payload changes.
Correct the cause, reboot and verify the warning remains cleared.
Complete bench and low-risk flight testing before normal service.

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DJI Support

Official Manufacturer Support resource for global use. Stored as a draft for manual verification before publication.

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