There are several reasons that the air conditioner unit's fan is not running, the air conditioner unit's fan is running weakly, how to check the air conditioner of the outdoor unit and how to use the air conditioner of the outdoor unit.
The circuit is unstable and obstructed when touching the shell.
Broken capacitor of the outdoor fan: Any part of the fan can fail to make the fan run. Fan contactor coil is broken.
The air conditioner unit fan does not run
Short circuit, broken wire: Use a power meter to check if the circuit is short or has any problems. Check every line to see if there is any breakage, if it breaks, please reconnect.
Damaged controller: check the controller to see if the wires are working properly, if any part is broken or burned, the circuits in the controller are free. If any error is found, fix it immediately.
Fan motor is short-circuited, touch the shell: Use a power meter to check the circuit, find and fix the location of the error.
The capacitor of the fan is broken: Check the capacitor with a power meter. If damaged, it should be replaced.