Root Cause:
Discrepancy between dual-antenna RTK heading and geomagnetic heading solution exceeding 20 degrees triggers the alert.

Troubleshooting Procedures:

• Hardware Inspection

  • Check connectivity of the ​primary antenna feedline and ​both RTK antenna SMA connectors
  • Ensure no physical damage to coaxial cables

• ​System Recovery

  • Perform ​cold reboot of the flight controller 
  • If unresolved:
    ▸ Execute ​magnetic compass calibration