Garage door sensors may not be aligned correctly 3.
Garage door is not closing all the way.
This is probably the most common culprit when a garage door won t close all the way.
If you re in the habit of leaving the garage door open a variety of things including.
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.
Garage door opener malfunction or door has shifted.
Garage door will not close all the way leaves gap at bottom 1.
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.
There are two sensors that sit near the bottom of the garage door just about an inch from the ground.
How to fix a garage door that won t go all the way down safety sensors.
Though this problem should be obvious it shouldn t be overlooked.
Garage floor may have cracked or shifted 2.
Your safety sensors could simply be malfunctioning.
First and perhaps most commonly your safety sensors could be working improperly.
If the door goes up but you can t make it go down you probably need to adjust the sensors.
Using a ladder to reach the unit unplug the cord from the outlet.
7 reasons for your garage door not closing all the way 1.
Garage door seal may be damaged 4.
First check the sensor lights.