Finally it s possible the garage door opener s motor.
Trouble shooting garage door opener problems.
It s also possible that the circuit breaker fuse or gfci outlet powering the door opener circuit has tripped or burned.
First of all make sure that your remote battery is working by replacing it.
If the remote still fails to work then make sure that it is properly programmed.
Replace the main gear drive if the garage door opener makes a grinding noise but the door doesn t move your main drive gear is probably toast.
If this is the case then replace the fuse or reset the breaker or gfci and try the wall switch again.
The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor.
As with many such problems the most common problem is the simplest one the motor unit has been unplugged.
The wall switch doesn t work first check your fuses gfci or breaker to see if any of them have tripped broken or burnt out.