Garage door opener malfunction or door has shifted.
Garage door is not level when closed.
Garage door sensors may not be aligned correctly 3.
Loosening the screws on the track use a screwdriver to loosen the screws that are in the tracks to secure it to the garage door frame.
Depending on the brand.
To adjust a door that can t stay open bring the first winding bar up to a 90 degree angle with the garage door this is a quarter turn.
Garage door will not close all the way leaves gap at bottom 1.
This can happen when the door has shifted to one side causing it to appear uneven.
There are several things that can cause this.
Place the second winding bar in the hole that s now facing the floor and vertical to the door to help you hold everything in place while you return the set screws to the holes and tighten them down snugly.
First check the sensor lights.
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 seal may be damaged 4.
The most simple and common is door shift.
When this happens you need to shift it back into position.
A garage door is considered bound when it s difficult or impossible to move up and down.
Garage floor may have cracked or shifted 2.
Your garage door has two overhead springs some doors have the springs on the side called extension springs that are responsible for opening and closing the door.
Put a ladder under the door to make sure it won t close accidentally while you re working on it.
One of the most likely culprits when you have a crooked garage door is a broken torsion spring.
Keep the door open a few feet off the ground as this takes the pressure off the door springs.
The following is a guide of how to adjust the tracks to unbind it.