This feature normally only fails when the door is already open and won t close but some models.
Garage door will open but not close.
If anything interrupts this beam of light the garage door will not close and the ceiling light on the opener mechanism will flash as mentioned in the previous step.
Turn the power back on and the door should open and close normally.
If your garage door won t close all the way the problem could be due.
Depending on the brand.
Hopefully after you read this you won t have the same problem in the future.
This also disables any remotes or wireless keypads.
If your garage door opens ok but won t close then it s possible the safety reversing sensors are not correctly aligned.
If the beam is broken or the sensors are misaligned the sensor light s will go off and subsequently tell the operator not close the door.
The photo eye is blocked dirty or misaligned.
Check the door s electric eye.
The operator receives no power.
This is one of the sensors.
Don t just assume that if the path is clear that the sensors are ok.
First check the sensor lights.
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.
The garage door may attempt to go down but will come right back up and the overhead light on the garage door opener will blink.
15 reasons why your garage door won t open or close 1.
This problem bugged me for several months.