Garage Door Opener Closes Then Opens Again

To reconnect the garage door to your liftmaster garage door opener manually close the garage door pull the emergency release handle down.

Garage door opener closes then opens again. This will cause the trolley to move into position and reconnect to the garage door. Get logic board replacement. When the logic board wears out it can cause your garage door to close then open and vice versa without explanation. If this is a sears srt without external travel limit switches the internal travel limit is out of adjustment telling the opener to continue after the bottom of the door makes contact with the garage floor basically driving it into the ground until the force required exceeds what the safety system force is set at.

These steps should fix most doors. They are usually on the motor housing and you access them by opening a panel or removing the housing cover. 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. 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.

Turn the down limit switch screw clockwise one turn with a flat blade screwdriver if the garage door closes and then begins to open back up. As these wires short against the housing the electrical impulse causes the door opener to activate. Your logic board needs replaced. If the door stops short of closing lengthen the close limit by turning the control knob in the direction indicated usually counterclockwise.

If the garage door does not close completely or begins to close and then opens back up again the down limit switch needs. 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. Try opening the garage door with the remote and see what happens. Close the garage door with the opener and watch it closely as it closes.

Most garage door openers have an open and close limit control. Now press the remote control. This brain can wear out in time so you could need a replacement.