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Problems liftmaster garage door closing.
The door would always open fine but then would have trouble closing.
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.
Get the liftmaster garage door support you need from chamberlain group.
Pull the emergency release handle down and back towards the garage door opener.
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.
Sometimes it would close part way before stopping and reversing and other times it wouldn t open at all.
The garage door opener will not close and the light bulbs flash.
This will disconnect the garage door opener from the door.
Safety sensors are not installed connected or wires may be cut.
Liftmaster garage door openers troubleshooting support.
Another clue to the mystery was if you held the wall switch the door would completely close.
Inspect sensor wires for a disconnected or cut wire.
There is a short or reversed wire for the safety sensors.