Garage Door Closes Then Opens Liftmaster

As is the case with so many issues at the home there s no one reason why your garage door closes then opens.

Garage door closes then opens liftmaster. Never permit anyone to cross path of moving door. The simple stuff 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. Your travel down setting needs to be adjusted. To reconnect the garage door to your liftmaster garage door opener manually close the garage door pull the emergency release handle down.

Anytime the main light flashes 10 times and the door reverses to the open position it is a door sensor problem. If the garage door does not close completely or begins to close and then opens back up again the down limit switch needs. The opener s force setting may not be set correctly. Make sure the small light on each sensor is lit and not flickering.

Tweak them a bit. These steps should fix most doors. Your garage door is programmed to travel a certain distance before it closes. Now press the remote control.

The force setting tells the opener how much resistance the door should provide and if the opener detects more than is allowed the door will reverse. Close the garage door with the opener and watch it closely as it closes. Liftmaster uses the protector system which projects an invisible light beam across the door opening and automatically opens the door if something someone crosses it s path. Always keep garage door in sight until completely closed.

Here s a rundown of some of the possible reasons this can be happening. Chamberlain liftmaster professional 1 2 hp garage door opener that tends to open part way say 12 inches or so then stop. Try opening the garage door with the remote and see what happens.