They need to have a clear line of sight between them in order for the door to work properly.
Garage door opening crooked.
Verify if there isn t a block between them.
A crooked or off balanced door.
Push the door back to adjust the door and get the center aligned again.
If one of these cables is broken power from the spring can t get to the door and the door hangs crooked.
Energy from the spring turns the drum which either winds or unwinds the cable thereby lifting or lowering the door.
There may be a large gap of space between the stop molding and the door.
Then look to see if the rollers are in working order.
One of the most likely culprits when you have a crooked garage door is a broken torsion spring.
By pushing the door back into position you should have made the vertical track straighten.
Warping of the door will also cause it to run crooked and stick in the tracks.
Garage doors have a cable on each side that s wound around a drum with one end attached to the door itself.
The door might be hard to open and close due to it binding.
It is possible that the vertical track down the side has gone out of alignment and shifted due to a slightly loose lag screw.
First you should check the safety sensors.
Safety sensors are the electronic eyes near the base of the door track on both sides.
Pulling the door up and down is a garage door opener.
Without proper adjustment however the unit may run along the tracks unevenly.
If the opener is adjusted properly the garage door will move up and down in an even motion.
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.
Here are three possibilities.