Garage Door Closes Part Way Then Opens Again
Remove the bell wire from the single button control station s terminals and operate the garage door opener from the remotes.
Garage door closes part way then opens again. They can only open it. Verify that the mounting brackets for the sensors are secured tight and the sensors are not vibrating while the door is closing. 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. 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.
Outside of those things you may need to have a technician come and check the unit s out. Get logic board replacement. You push the button to close the garage door. It goes partway down reverses direction and goes back up again.
Disconnect the control station. If your garage door won t open or close the problem could be a bent track a broken torsion spring or a bad capacitor int he motor housing. This is almost always the result of a dirty or obstructed safety feature. Your garage door s logic board is the brain of your garage door opener.
This brain can wear out in time so you could need a replacement. Close the garage door with the opener and watch it closely as it closes. The remotes will not work to close the garage door. If there is a force adjustment out of range that could potentially cause this issue.
Some older garage door openers do not have nicely labeled adjustment screws for force and travel limits. When your liftmaster garage door opener opens and closes by itself here are the troubleshooting tips you need to follow. If it closes only partway the safety sensors are usually responsible clean the lenses or realign them and make sure there are no obstacles blocking the beam. I can t work my way past where you said you pull the door and it closes all the way.
When this happens your garage door will only close by holding down on the wall button until the door fully closes.