If your garage door opener works when the interior button is pushed but fails to work when the button on the remote is pushed then there are three common problems that arise.
Trouble shooting garage door opener problems.
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.
If this is the case then replace the fuse or reset the breaker or gfci and try the wall switch again.
If the remote still fails to work then make sure that it is properly programmed.
If everything else is working well then it could be that the power in.
Finally it s possible the garage door opener s motor.
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.
The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor.
Garage door opener won t open all the way fix.