Liftmaster Garage Door Closes Then Opens Again

Get logic board replacement.

Liftmaster garage door closes then opens again.

This brain can wear out in time so you could need a replacement. If your garage door opens ok but won t close then it s possible the safety reversing sensors are not correctly aligned. To reconnect the garage door to your liftmaster garage door opener manually close the garage door pull the emergency release handle down. Your garage door s logic board is the brain of your garage door opener.

These steps should fix most doors. As these wires short against the housing the electrical impulse causes the door opener to activate. 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. Now press the remote control.

If the garage door does not close completely or begins to close and then opens back up again the down limit switch needs. Don t just assume that if the path is clear that the sensors are ok. Try opening the garage door with the remote and see what happens. This will cause the trolley to move into position and reconnect to the garage door.

This problem bugged me for several months. Close the garage door with the opener and watch it closely as it closes. When the logic board wears out it can cause your garage door to close then open and vice versa without explanation. 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.