Though this problem should be obvious it shouldn t be overlooked.
Garage door will not close completely.
Check your garage floor and the area surrounding it for any objects or debris that might be causing the improper close.
Adjust them until the door is working properly again.
But when your garage door opener fails to close completely if you don t figure out the problem you ll soon be back to the old fashioned way of opening and closing the garage door.
There are usually two springs on each side of the garage door to swing it up.
There should be 1 2 to 3 4 inch of.
Depending on the brand.
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.
Something blocking the door.
One of them may be slanted toward the door and binding it.
If there s something blocking the door from closing all the way a full close will be impossible.
Springs are one of the main causes of malfunctioning garage doors.
If one side of the door is not in line with the other the door won t run smoothly in its tracks and when closed one side of the door won t close completely leaving an open gap.
If you can t find any other reason that the door won t close check the alignment of the side tracks.
Side mounted extension springs are installed above the horizontal roller tracks on both sides of the door.
Problem 2 lack of lubrication.
First check the sensor lights.