Try making small adjustments.
Trouibleshooting garage door opener.
If your garage door won t open this video should really help.
It s important to get this switch at just the right distance from the motor so that the door is able to close all the way but the motor also knows to stop running.
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.
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 the remote still fails to work then make sure that it is properly programmed.
Most linear opener remotes have a red led on it that turns on anytime you press a button.
If it fails to turn on you should replace the batteries in the remote.
The first step to troubleshooting your linear garage door opener is to determine if the remote is in good condition.
Make sure that the antenna on the motor unit is hanging downward and is not damaged in any way.
How to fix a garage door opener the opener shown is the craftsman 1 2 hp 315 model howeve.
This is related to the up limit switch.
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.