Make sure that the antenna on the motor unit is hanging downward and is not damaged in any way.
Trouibleshooting garage door opener.
How to fix a garage door opener the opener shown is the craftsman 1 2 hp 315 model howeve.
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.
T his is a pretty uncommon problem but one that can happen after you ve first installed your garage door opener.
The first step to troubleshooting your linear garage door opener is to determine if the remote is in good condition.
Try making small adjustments.
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.
The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor.
Modern garage door openers are essentially small radios that operate at about 315mh and a few feet of extra distance can affect the signal.
If it fails to turn on you should replace the batteries in the remote.
This is related to the up limit switch.
Garage door opener won t open all the way fix.
Most linear opener remotes have a red led on it that turns on anytime you press a button.