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Problems liftmaster garage door closing.
Get the liftmaster garage door support you need from chamberlain group.
The garage door opener will not close and the light bulbs flash.
Close the door with either the door control or the remote control.
To fix this issue and get your liftmaster garage door opener working again follow these troubleshooting steps.
The garage door opener will not close and the light bulbs flash.
Sometimes it would close part way before stopping and reversing and other times it wouldn t open at all.
Liftmaster garage door openers troubleshooting support.
Problems with the safety sensors when the door won t close or it closes only part way and immediately opens again the safety sensors are the first thing to check.
Inspect sensor wires for a disconnected or cut wire.
The door would always open fine but then would have trouble closing.
Safety sensors are not installed connected or wires may be cut.
There is a short or reversed wire for the safety sensors.
This will disconnect the garage door opener from the door.
Another clue to the mystery was if you held the wall switch the door would completely close.