You might need to consider replacing it if your door is not working properly or you may purchase a new opener.
Garage door only opens partway then stios.
In order to fix this you ll want to make small changes to the close limit setting until the door opener knows to stop once the door has reached the floor.
The door should open and close easily and it should stay partway open as well as fully closed and fully open while not attached to the opener.
A garage door that only opens halfway becomes a nuisance for many reasons.
The garage door can be operated manually by disconnecting the garage door opener from the door using the red pull cord.
The logic board receives and responds signals to any remote.
If the door is working properly it should be easy to lift by hand.
If the door operates fine manually then you know that the opener is creating the problem.
Quite often the cause of your door s malfunction is an improperly set garage door limit.
If your garage door opens and suddenly stops it might be because of your logic board.
If the garage door connected to your liftmaster opener only opens part of the way or it begins to open but then reverses check the track and the surrounding area for any objects that may obstruct.
If your garage door is closing fully and then reversing to open again then it may be due to a problem with the close limit switch.
Depending on how old your garage door opener is you may want to replace it if it s old.
Then i go up to the door and when i press the button i use my hand to gently give the door a push and it goes all the way up.
Doing this can save you some amount of cash.
Some older garage door openers do not have nicely labeled adjustment screws for force and travel limits.
When i press the button to open my garage door it goes up but then stops after it raises about a foot or so.
On the other hand if your opener is fairly new you may want to call a professional.
This board electrically controls your garage door and will fail if it shorts out.
I then press the button to lower it back down.
A faulty logic board could also be a reason your garage door opens then stops.
There are sensors of course that tell the door when to stop so i tried cleaning those and the problem went away.