Liftmaster Garage Door Opener Closes Then Opens

This feature prevents the motor inside the garage door opener from damaging.

Liftmaster garage door opener closes then opens.

The symptom of this is a garage door that is in constant motion opening fully then immediately descending only to start the same cycle again. As these wires short against the housing the electrical impulse causes the door opener to activate. Within 30 seconds of pressing the learn button press down on a button on the remote. So there you have it.

In the future when the unit receives that specific signal it will open the garage door it s attached to. The garage door opens partially. When the logic board wears out it can cause your garage door to close then open and vice versa without explanation. 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.

You will find that the door will only move an inch or so in the close direction and reverse. We design and engineer residential garage door openers commercial door operators and gate entry systems. Liftmaster garage door openers are designed to stop if it senses a resistance or an obstruction while opening. When the green indicator light glows steadily tighten the wing nut.

Chamberlain group cgi the corporate parent company to liftmaster chamberlain merlin and grifco is a global leader in access solutions and products. Close the garage door with the opener and watch it closely as it closes. The problem is either due to a blocked path between the sensors dirty eyes loose wires at the sensors or at the motor head or just bad sensors. If your garage door opens ok but won t close then it s possible the safety reversing sensors are not correctly aligned.

The transmitters remotes will not work to close the garage door. Loosen the receiving eye wing nut and adjust sensor until it receives the sender s beam. Your logic board needs replaced. If the garage door does not close completely or begins to close and then opens back up again the down limit switch needs.

Get logic board replacement. This brain can wear out in time so you could need a replacement. Hold down a button on your remote garage door opener. There may also be loose wire connections inside the button housing itself.

The power door lock must be deactivated anytime you open the garage door.