TESTING THE MOTOR
If your having issues with your motor, listen for these tell tale signs; 1. If you hear a grinding sound it may be broken magnets from a hard strike to the motor casing. 2. When you turn the gun on, then pull the trigger, you should hear the relay switch from the electronics click on, if the motor does not respond then there may be a disconnection to the motor. To be sure test the motor with a volt meter by following the steps below.