Though this problem should be obvious it shouldn t be overlooked.
Garage door won t go down nothing in the way.
There is a problem with the photoelectric eyes.
Overtime these lenses can become coated with grime dirt and even sawdust.
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.
First check the sensor lights.
Can you hold the button down to make the door 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.
Something is blocking the beam either the sender or receiver is misaligned kicked.
Something blocking the door.
If there s something blocking the door from closing all the way a full close will be impossible.
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.
One or more of these reasons is likely responsible for your garage door closing partially but not all the way.
Depending on the brand.
Most common problems when a door won t go down.