Arm Lock Sensor Diagnose & Replacement

If you have the arm locked are are still getting and "Arm Not Securely Fastened" error, it is more than likely an issue with the in-position signal cable.

Parts:

https://agrispraydrones.com/products/aircraft-arm-in-position-detector-signal-cable

Key Steps

  1. Diagnosing the Issue:

    • Turn on the drone and identify the specific arm lock that is causing the error.

    • Check if the arm lock sensor is securely fastened and plugged in.

    • Troubleshoot by replacing the arm lock sensor with a new one to confirm the issue.

  2. Replacing the Arm Lock Sensor:

    • Power off the drone.

    • Unplug the faulty arm lock sensor.

    • Remove the screw on the arm to access the sensor bracket.

    • Slide out the bracket by loosening the arm if necessary.

    • Cut the sheathing of the cable to remove the old sensor.

    • Install the new arm lock sensor by routing it through the bracket and ensuring it clicks into place.

    • Secure the bracket back into the arm and reattach the screw.

  3. Securing the New Sensor:

    • Optionally, use electrical tape to secure the new sensor's cable along with the wiring harness to prevent it from getting pinched.

    • Ensure the cable is wrapped tightly and close to the arm to avoid damage.

Cautionary Notes

  • Handle the arm lock sensor and its cable carefully to avoid damage during replacement.

  • Ensure the new sensor is securely installed to prevent future errors.

  • Avoid pulling on the cables excessively to prevent damage.

Tips for Efficiency

  • Keep the new sensor cable aligned with other wires for a neat installation.

  • Use electrical tape to secure the new sensor's cable to prevent it from getting caught or damaged.

  • Reach out to Agri Spray Drones Tech Support for any additional assistance or questions.

 

Compatible drones: T40, T20P