Don t just assume that if the path is clear that the sensors are ok.
Garage door opens does not close.
If that s not the case.
Garage door won t close all the way if the garage door opens correctly but fails to close completely there may be one of three common causes.
Depending on the brand.
This is of course a safety feature to prevent the heavy garage door crushing anyone or anything that might be in the pathway of the door when it comes down.
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 your garage door opens ok but won t close then it s possible the safety reversing sensors are not correctly aligned.
If your garage door won t close all the way the problem could be due.
The power door lock must be deactivated anytime you open the garage door.
The resistance can be in the form of a damaged garage door tracks door.
15 reasons why your garage door won t open or close 1.
The photo eye is blocked dirty or misaligned.
Damaged garage door tracks jamb or rollers.
The close limit switch may need adjusting.
First check the sensor lights.
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The operator receives no power.
This problem bugged me for several months.
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.
Your garage door has set limit switches that instruct the motor when to stop running both when it is opening and when it is closing.
Hopefully after you read this you won t have the same problem in the future.