One or more of these reasons is likely responsible for your garage door closing partially but not all the way.
Garage door won t go down nothing in the way.
Can you hold the button down to make the door go down.
These obstructions can include anything like a garden tool a lawn chair or anything else in the way.
If there s something blocking the door from closing all the way a full close will be impossible.
Though this problem should be obvious it shouldn t be overlooked.
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.
There is a problem with the photoelectric eyes.
Most common problems when a door won t go down.
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.
When the door won t go down automatically.
Something blocking the door.
First check the sensor lights.
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.
Something is blocking the beam either the sender or receiver is misaligned kicked.