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Propulsion/Motor # Throttle signal lost. Land Immediately
Propulsion/Motor # Throttle signal lost. Land Immediately
Danny Fobian avatar
Written by Danny Fobian
Updated over a month ago

The ESC acts as the brain of the motor, essentially functioning as its throttle, which is why the error message uses that terminology. It provides all the power to the motor. This error essentially indicates that there is no communication between the ESC and the motor.

Possible Causes

  1. The drone's firmware is not up to date

  2. Defective ESC

  3. Faulty motor


Troubleshooting Steps

  1. Verify whether the drone requires a full update or a mini update

  2. The ESC referenced in the error might be faulty. You can try:

    1. Check if the light on the ESC is flashing. If it doesn’t show a green, red, or yellow light when powered on, it may indicate that it is defective.

    2. Swap it with another ESC on the drone to see if the error number changes. If it does, then the ESC is likely the issue

    3. Replace the ESC

  3. If you’ve confirmed that the ESC is not the issue, you can replace the motor

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