To troubleshoot the garage door opener button make sure it s clean and free of debris.
Garage door intermittently opens an inch.
Try to operate the garage door manually this helps you determine if the problem is related to the door or the motor.
It will make troubleshooting later much easier.
You push the button to close the garage door.
In fact you really should read the entire garage door repair article.
A garage door that only opens halfway becomes a nuisance for many reasons.
Ever notice how it is easier to pull a wagon over a curb than it is to push it.
The button can easily get dirty and stuck in the pushed position.
Quite often the cause of your door s malfunction is an improperly set garage door limit.
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.
In fact garage door opener remotes are not robust rf devices.
Firstly check that you re using it within the range required for your opener.
You may also need to reprogram your keypad or replace the batteries in it.
Fresh batteries clean contacts on the batteries and on the button s is critical.
If the door is working properly it should be easy to lift by hand.
Remember that sometimes a garage door opener can increase the binding in a door just because of the way it pushes the door down.
It goes partway down reverses direction and goes back up again.
This requires a simple turn with.
If you re too far away this can cause a problem with opening or closing the door.
This is almost always the result of a dirty or obstructed safety feature.
If the remote works only when held within a few feet of the motor unit rf interference is probably the problem.
It isn t always easy to clean the buttons some are exposed others are enclosed but often times it is just oxidization and temp matters noybman sep 15 17 at 3 14.
Clean the button as well as the connections in the housing if this is the case.