A faulty logic board could also be a reason your garage door opens then stops.
Garage door only opens partway then stios.
If the door reverses part way down and you are sure there is no obstruction or binding increase the closing force a small amount and try it again.
This board electrically controls your garage door and will fail if it shorts out.
Quite often the cause of your door s malfunction is an improperly set garage door limit.
Doing this can save you some amount of cash.
Depending on how old your garage door opener is you may want to replace it if it s old.
The garage door can be operated manually by disconnecting the garage door opener from the door using the red pull cord.
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.
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 opens and suddenly stops it might be because of your logic board.
I then press the button to lower it back down.
A garage door that only opens halfway becomes a nuisance for many reasons.
There are sensors of course that tell the door when to stop so i tried cleaning those and the problem went away.
You might need to consider replacing it if your door is not working properly or you may purchase a new opener.
This requires a simple turn with.
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.
On the other hand if your opener is fairly new you may want to call a professional.
If the door operates fine manually then you know that the opener is creating the problem.
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.
This indicates that the springs torsion springs in the case of the photo above are working properly and are not the issue.
The logic board receives and responds signals to any remote.
If the door is working properly it should be easy to lift by hand.