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.
Intermittent garage door operating.
Liftmaster professional garage door opener intermittently not operating hey everyone.
Fresh batteries clean contacts on the batteries and on the button s is critical.
As with many such problems the most common problem is the simplest one the motor unit has been unplugged.
In a typical situation the motor for your garage door opener should stop running once the door has closed.
If the door jams the opener cannot be expected to work well.
Given a mechanically sound door system that operates properly by hand odd behavior in modern 25 years or less perhaps garage door openers is almost always a sign of time to replace the logic board.
Garage door opener won t open all the way fix.
The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor.
Finally it s possible the garage door opener s motor.
The garage door opener detects when it is getting too difficult to raise the door and automatically shuts down.
Adjust the degree of upward force which is one of the two adjustable screws on most garage door openers.
If the remote works only when held within a few feet of the motor unit rf interference is probably the problem.
Verifying that the door operates correctly and without excessive force with the opener disconnected is a required first step.
In fact garage door opener remotes are not robust rf devices.
When the garage door opener works intermittently the logic board may be experiencing radio frequency rf interference from nearby sources such as security lights ham radios and some electronics.
If you find that it keeps running this can present a problem in your system.
Intermittent garage door opener failure my garage door opener is acting in a peculiar manner.
It sometimes will stop after the door is partially up or down and every couple of days refuses to work in the morning but by the evening it is functioning again.