You may not have even noticed it before but the main garage door opener unit will be plugged into an electrical outlet that is located on the garage ceiling near the unit.
Garage door is not closing all the way.
Something blocking the door.
This is probably the most common culprit when a garage door won t close all the way.
7 reasons for your garage door not closing all the way 1.
Depending on the brand.
Garage door opener malfunction or door has shifted.
Garage floor may have cracked or shifted 2.
There are two sensors that sit near the bottom of the garage door just about an inch from the ground.
Though this problem should be obvious it shouldn t be overlooked.
Garage door seal may be damaged 4.
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.
Using a ladder to reach the unit unplug the cord from the outlet.
Garage door sensors may not be aligned correctly 3.
If the door goes up but you can t make it go down you probably need to adjust the sensors.
Your safety sensors could simply be malfunctioning.
If you re in the habit of leaving the garage door open a variety of things including.
How to fix a garage door that won t go all the way down safety sensors.
Disengage the garage door.