If your garage door opens and suddenly stops it might be because of your logic board.
Garage door opener starts and stops.
Locate the limit switch adjustment either on the back of the opener or behind the light bulb s lens cover.
When this unusual problem occurs it means the up limit switch probably needs to be moved away from the motor unit.
Some models have two screws labeled.
The travel limit switch mounting setscrew can vibrate loose allowing it to move or fall off.
Additionally a simple rebooting can help.
Make sure only the safe t beams that came with this garage door opener are installed.
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.
Garage door opens but the motor won t stop running.
You might need to consider replacing it if your door is not working properly or you may purchase a new opener.
Garage door only travels a little way and then reverses does your garage door only travel a little way 6 inches or so and then reverse.
If it is a new installation check the postion of the door arm.
Check if the limits are properly set.
If it happens at all it will usually be noticed when you first install the garage door opener.
Set a safety ladder under the garage door opener.
Adjust the limits as needed.
There may be two nuts on one track.
It is rare for this problem to suddenly appear.
This fails to tell the door it is time to stop and the opener tries to drive the door into the ground again exceeding what the door believes to be allowable tension.
The 3rd cause is a malfunctioning travel limit switch.
When the opener is activated the screw rotates causing the nut to move until it reaches the switch.
Doing this can save you some amount of cash.
One for the opening limit and one for the closing limit.
The logic board receives and responds signals to any remote.
Check if the safe t beams red led light is flashing.
This can happen if a track is accidentally struck by a heavy object and bent outward.
When a roller on the garage door comes off one of the side tracks the opener won t be able to lift the door.