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.
Garage door opens does not close.
The photo eye is blocked dirty or misaligned.
Damaged garage door tracks jamb or rollers.
If your garage door opens ok but won t close then it s possible the safety reversing sensors are not correctly aligned.
The power door lock must be deactivated anytime you open the garage door.
Don t just assume that if the path is clear that the sensors are ok.
The operator receives no power.
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 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 that s not the case.
Sometimes a garage door won t open or close for one reason only the operator has.
15 reasons why your garage door won t open or close 1.
The close limit switch may need adjusting.
The garage door opens partially.
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.
If your garage door won t close all the way the problem could be due.
The resistance can be in the form of a damaged garage door tracks door.
Depending on the brand.
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Hopefully after you read this you won t have the same problem in the future.
First check the sensor lights.