If your garage door is closing fully and then reversing to open again then it may be due to a problem with the close limit switch.
Garage door opener doesn t close.
The photo eye is blocked dirty or misaligned.
First check the sensor lights.
Every garage door opener comes with a disconnect switch in case you lose power.
This problem bugged me for several months.
Photo eyes are very small and you can see them placed on both sides of the garage door.
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.
Reasons why garage doors won t close 1.
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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.
The next thing you should check is a pair of sensors placed at the bottom of the garage door.
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.
In order to fix this you ll want to make small changes to the close limit setting until the door opener knows to stop once the door has reached the floor.
If you can hear your garage door motor running for what seems like the full amount of time it normally would take to open or close the door but the door doesn t move chances are the disconnect switch has been enabled.
15 reasons why your garage door won t open or close 1.
Sometimes a garage door won t open or close for one reason only the operator has.
Depending on the brand.
Don t just assume that if the path is clear that the sensors are ok.
Hopefully after you read this you won t have the same problem in the future.
If your garage door won t close all the way the problem could be due.