Most newer openers have a safety feature that makes the door reverse if it encounters an obstruction.
My garage door opener won t close.
The photo eye is blocked dirty or misaligned.
Sometimes a garage door won t open or close for one reason only the operator has.
Does your garage door keep coming back up after it hits the floor.
This can happen if a track is accidentally struck by a heavy object and bent outward.
If your garage door won t close all the way the problem could be due.
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.
Depending on the brand.
This is one of the sensors.
One sends a beam of infra red light to the other.
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.
If your garage door opens ok but won t close then it s possible the safety reversing sensors are not correctly aligned.
This problem bugged me for several months.
15 reasons why your garage door won t open or close 1.
The travel controls how far the door goes up and down.
First check the sensor lights.
When a roller on the garage door comes off one of the side tracks the opener won t be able to lift the door.
The operator receives no power.
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Hopefully after you read this you won t have the same problem in the future.