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.
Nothing blocking garage door still wont close.
Though this problem should be obvious it shouldn t be overlooked.
Depending on the brand.
If your garage door won t close all the way the problem could be due to a blocked photo eye.
If something is blocking the safety beam then the garage door will not close.
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.
These obstructions can include anything like a garden tool a lawn chair or anything else in the way.
First check the sensor lights.
It could be that they are just barely aligned but the vibration from closing causes them to intermittently break the beam.
Could also try disconnecting the door from the chain should be a pull cord that allows this.
Try the wall.
The sensors may not be aligned properly.
Something blocking the door.
Then try closing the door manually.
What to do when your garage door won t close 1.
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.
Now if there is nothing physically blocking the door and sensors you can check the safety.
The first step to take when your garage door won t close is to look around and do a visual check.