If the door goes up but you can t make it go down you probably need to adjust the sensors.
Garage door doesn t go down all the way.
Though this problem should be obvious it shouldn t be overlooked.
From here lift the garage door by hand about 3 feet above the ground and then release the door and see were it lands.
Garage door sensors may not be aligned correctly 3.
You just need to adjust the travel setting on your door opener.
Garage floor may have cracked or shifted 2.
Something mechanical has most likely bound up.
You should now be able to move the door up and down by hand.
A twisted or slightly bent track may be the culprit.
Garage door will not close all the way leaves gap at bottom 1.
Garage door seal may be damaged 4.
Garage door not closing all the way.
Also check the cables.
Something blocking the door.
If your garage door is not balanced right it won t go up or down all the way.
Garage door opener malfunction or door has shifted.
First and perhaps most commonly your safety sensors could be working improperly.
Carefully inspect the track and the rollers to see if something is stuck.
To check the balance pull the emergency release cord or chain to disconnect the door.
If you operate your door manually and the door will not go all the way down don t force it.
Force your garage door closed.
If you ve tried everything listed above and your garage door still won t go down you.
For those who are unfamiliar with how garage door sensors work there are two sensors each.
How to fix a garage door that won t go all the way down safety sensors.
The travel controls how far the door goes up and down.
Does your garage door keep coming back up after it hits the floor.