This is one of the sensors.
My automatic garage door will not close.
If there s something blocking the door from closing all the way a full close will be impossible.
Check your garage floor and the area surrounding it for any objects or debris that might be causing the improper close.
If something is blocking the safety beam then the garage door will not close.
One sends a beam of infra red light to the other.
It goes partway down reverses direction and goes back up again.
You push the button to close the garage door.
The garage door limit settings isn t set properly.
Sometimes you ll notice that your garage door closes all the way and then immediately goes back up instead of staying in the closed position.
This is almost always the result of a dirty or obstructed safety feature.
These obstructions can include anything like a garden tool a lawn chair or anything else in the way.
If your garage door won t close all the way the problem could be due to a blocked photo eye.
You may also want to check the tracks and the garage door itself for the culprit.
First check the sensor lights.
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.
Depending on the brand.
How to fix a garage door that won t go all the way down safety sensors.
This issue usually arises with brand new garage doors that were just installed or older models that may need to be reset.
The majority of garage doors manufactured since the early 1990s are equipped with this safety feature.
Now if your garage door still won t go down after you ve made sure the sensors are properly aligned and there s no obstructions you ll want to take a damp cloth and wipe down the lenses of the sensors.
If you re in the habit of leaving the garage door open a variety of things including.