Garage Door Closes Part Way Then Opens Again
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 closes part way then opens again. Disconnect the control station. I can t work my way past where you said you pull the door and it closes all the way. You push the button to close the garage door. If the garage door does not close completely or begins to close and then opens back up again the down limit switch needs.
Close the garage door with the opener and watch it closely as it closes. They can only open it. The remotes will not work to close the garage door. Some older garage door openers do not have nicely labeled adjustment screws for force and travel limits.
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. Get logic board replacement. 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. Remove the bell wire from the single button control station s terminals and operate the garage door opener from the remotes.
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. 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. This brain can wear out in time so you could need a replacement. When the logic board wears out it can cause your garage door to close then open and vice versa without explanation.
Your garage door s logic board is the brain of your garage door opener. It goes partway down reverses direction and goes back up again. When your liftmaster garage door opener opens and closes by itself here are the troubleshooting tips you need to follow. Outside of those things you may need to have a technician come and check the unit s out.
This is almost always the result of a dirty or obstructed safety feature.