If your garage door is closing fully and then reversing to open again then it may be due to a problem with the close limit switch.
Garage door is crooked and wont close.
Garage door crooked and the cable came off.
If that is the case you will have to do a spring replacement instead of simply adjusting the garage door.
Inspect the door for signs of warping.
Keep the door open a few feet off the ground as this takes the pressure off the door springs.
If this is not the problem it could well be that the springs of the garage door have stretched causing the shift.
Clean out the track of the garage.
A garage door that s out of alignment can be very dangerous.
Sometimes your garage door will close on top of an object and the cable on that side will pop off.
The door should then hang correctly.
A crooked or off balanced door.
How to fix a crooked garage door step 1.
Any of these situations indicate that one or both garage door tracks need to be aligned.
Put a ladder under the door to make sure it won t close accidentally while you re working on it.
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.
First check the sensor lights.
Insert the end of a tension rod into the corner of the door and tighten down using a.
Depending on the brand.
There may be a large gap of space between the stop molding and the door.
Inspect the tracks of the garage door for signs of dirt or other obstructions.
Here are three possibilities.
One of the most likely culprits when you have a crooked garage door is a broken torsion spring.
The door might be hard to open and close due to it binding.