As is the case with so many issues at the home there s no one reason why your garage door closes then opens.
Garage door closes a few inches then opens.
This indicates that the springs torsion springs in the case of the photo above are working properly and are not the issue.
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 springs must have proper tension to open and close your door.
The garage door can be operated manually by disconnecting the garage door opener from the door using the red pull cord.
If broken or out of adjustment the door will be exceptionally heavy thus putting excess strain on your garage door opener.
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.
This is almost always the result of a dirty or obstructed safety feature.
A broken torsion spring will also cause the door to slam closed instead of closing gently.
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.
Your travel down setting needs to be adjusted.
Possible reasons why your garage door hits the floor then goes back up.
Fast easy step by step process on how to properly program your garage door travel system.
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.
The torsion springs are under extreme tension and are dangerous and should only be replaced or adjusted by a professional.
You push the button to close the garage door.
Here s a rundown of some of the possible reasons this can be happening.