This is almost always the result of a dirty or obstructed safety feature.
Garage door closes a few inches then opens.
If the door starts to open but won t move more than a few inches the torsion spring may be broken.
When the garage door opens about halfway or 5 feet from the ground and stops the up limit switch needs to be adjusted.
Here s a rundown of some of the possible reasons this can be happening.
The torsion springs are under extreme tension and are dangerous and should only be replaced or adjusted by a professional.
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.
If the door is working properly it should be easy to lift by hand.
Open the garage door and watch it closely as it opens.
This indicates that the springs torsion springs in the case of the photo above are working properly and are not the issue.
If broken or out of adjustment the door will be exceptionally heavy thus putting excess strain on your garage door opener.
Fast easy step by step process on how to properly program your garage door travel system.
Your travel down setting needs to be adjusted.
A broken torsion spring will also cause the door to slam closed instead of closing gently.
Garage door only travels a little way and then reverses does your garage door only travel a little way 6 inches or so and then reverse.
The springs must have proper tension to open and close your door.
In order to fix this you ll want to make small changes to the close limit setting until the door opener knows to stop once the door has reached the floor.
The garage door can be operated manually by disconnecting the garage door opener from the door using the red pull cord.
You can usually tell if a torsion spring is broken by looking at it.
As is the case with so many issues at the home there s no one reason why your garage door closes then opens.