If there s something blocking the door from closing all the way a full close will be impossible.
Garage door won t go down nothing in the way.
These obstructions can include anything like a garden tool a lawn chair or anything else in the way.
Overtime these lenses can become coated with grime dirt and even sawdust.
When the door won t go down automatically.
When you pressed the button did the opener lights blink at you.
Something blocking the door.
Something is blocking the beam either the sender or receiver is misaligned kicked.
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.
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.
Though this problem should be obvious it shouldn t be overlooked.
Depending on the brand.
Most common problems when a door won t go down.
First check the sensor lights.