First check the sensor lights.
Garage door opener doesn t close.
If your garage door won t close all the way the problem could be due.
Sometimes a garage door won t open or close for one reason only the operator has.
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.
If your garage door opens ok but won t close then it s possible the safety reversing sensors are not correctly aligned.
Don t just assume that if the path is clear that the sensors are ok.
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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.
Photo eyes are very small and you can see them placed on both sides of the garage door.
Hopefully after you read this you won t have the same problem in the future.
The next thing you should check is a pair of sensors placed at the bottom 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.
This problem bugged me for several months.
The photo eye is blocked dirty or misaligned.
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.
The operator receives no power.
Depending on the brand.
Unplug the opener and disconnect the two wires from the motor reconnect your machine to power then clear its memory and reprogram all remote controls unplug the device for a second time and reconnect the control wiring to.
Reasons why garage doors won t close 1.
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.
Quickly test the quality of your opener s wiring by following these steps.