Firstly check that you re using it within the range required for your opener.
Garage door intermittently opens an inch.
Quite often the cause of your door s malfunction is an improperly set garage door limit.
Clean the button as well as the connections in the housing if this is the case.
You may also need to reprogram your keypad or replace the batteries in it.
If the door is working properly it should be easy to lift by hand.
If you re too far away this can cause a problem with opening or closing the door.
To troubleshoot the garage door opener button make sure it s clean and free of debris.
The button can easily get dirty and stuck in the pushed position.
This will cause the door to open and close until the button becomes unstuck.
Also verify the antenna on the motor unit is in the proper placement.
This is almost always the result of a dirty or obstructed safety feature.
A garage door that only opens halfway becomes a nuisance for many reasons.
It goes partway down reverses direction and goes back up again.
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.
The garage door can be operated manually by disconnecting the garage door opener from the door using the red pull cord.
If the remote works only when held within a few feet of the motor unit rf interference is probably the problem.
This requires a simple turn with.
In fact you really should read the entire garage door repair article.
Ever notice how it is easier to pull a wagon over a curb than it is to push it.
In fact garage door opener remotes are not robust rf devices.
It will make troubleshooting later much easier.
Remember that sometimes a garage door opener can increase the binding in a door just because of the way it pushes the door down.
Try to operate the garage door manually this helps you determine if the problem is related to the door or the motor.