Check your garage floor and the area surrounding it for any objects or debris that might be causing the improper close.
Nothing blocking garage door still wont close.
If something is blocking the safety beam then the garage door will not close.
If one sensor can t detect the other it stops the garage door from closing.
The first step to take when your garage door won t close is to look around and do a visual check.
The photo eye components consist of two pieces that align face to face across each side of the garage door roughly four feet above the ground.
When the door won t go down automatically.
Now if there is nothing physically blocking the door and sensors you can check the safety sensors to ensure they are clean and correctly aligned.
If it is sticking the opener won t force it lest something break.
If there s something blocking the door from closing all the way a full close will be impossible.
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.
When you know you re in range and the door still won t open check to make sure the antenna is hanging down from the motor inside your garage and nothing is blocking it.
Depending on the brand.
If your garage door won t close all the way the problem could be due to a blocked photo eye.
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.
Garage doors are heavy and to prevent injuries manufacturers of automatic openers include safety sensors to stop the door when someone is in the way.
Another thing that can prevent your garage door from closing are obstructions that are blocking the lenses.
If your garage door was installed after 1993 it has two safety sensors on either side of the door.
You may also want to check the tracks and the garage door itself for the culprit.
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.
Each sensor has a photo eye that transmits a beam to its mate.
When your garage door opens but won t close this is the first thing to check.
Also inspect the antenna for any signs of damage.
The majority of garage doors manufactured since the early 1990s are equipped with this safety feature.
Like mentioned above there are two lenses one on each side.
Your antenna must be free from any obstruction to clearly receive the signal to open and close the door.
