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