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