They are located in the red and 1st white terminal or the.
My liftmaster garage door opener won t close.
Check if the safety sensor is connected to the opener properly aligned and there is nothing in the way of the door.
This video demonstrates what do if your garage door won t close and the lights on your liftmaster garage door opener are blinking.
When you see you garage door opener lights flashing and the garage door will not close it could be the lock button or the safety reversing sensors.
0 00 liftmaster garage doo.
The garage door opens but won t close.
There s a short in the door control door control wire or receiver logic board unplug the opener from the outlet.
Clutter or obstructions that block the sensor are the first problems to look for if your door won t close or in extreme cases open at all.
If there is a back up battery disconnect the battery.
Garage door light flashing but won t close.
This problem bugged me for several months.
First check the sensor lights.
The lock button on the door control in on.
Remove the two wires for the door control from the motor unit.
Hopefully after you read this you won t have the same problem in the future.
If your garage door opens ok but won t close then it s possible the safety reversing sensors are not correctly aligned.
Doing a garage door repair is one of the most difficult things to face especially if you are not familiar with technical diy home repairs.
My garage door won t open all the way liftmaster 8160w 8160wb 8164w 8165w 8155w owner s manual contractor series wi fi garage door opener owner s manual for belt drive 8155w and chain drive 8160w 8160wb 8164w and 8065w.
If necessary you can close the garage door by pressing and holding the door control push bar until down travel is completed.
Don t just assume that if the path is clear that the sensors are ok.