15 reasons why your garage door won t open or close 1.
Garage door only wants to open not close.
The first thing you ll want to do when your garage door opens a little and then stops is to check to see if there is anything obstructing the lenses.
It can be pretty frustrating if your garage door won t open and you re trying to get your car in off the street or out onto the open road.
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.
After all your garage door basically has one job to open and close okay that s two jobs if you want to split hairs.
One sends a beam of infra red light to the other.
Hopefully after you read this you won t have the same problem in the future.
It s also a good idea to take a damp cloth and wipe off the lenses.
Sometimes a garage door won t open or close for one reason only the operator has.
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 won t close all the way the problem could be due.
This problem bugged me for several months.
Depending on the brand.
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.
Your garage door will immediately stop and close if anything is in the field of view of the lenses.
Don t just assume that if the path is clear that the sensors are ok.
First check the sensor lights.
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 your garage door opens ok but won t close then it s possible the safety reversing sensors are not correctly aligned.
The photo eye is blocked dirty or misaligned.
This is one of the sensors.