If the door is working properly it should be easy to lift by hand.
Garage door closes then opens a few inches.
There could be a bind or drag in the door mechanism or the springs may be damaged or need adjusting.
It goes partway down reverses direction and goes back up again.
If this isn t lit check for a tripped breaker in the main panel or a tripped gfci outlet.
Turn the down limit switch screw counterclockwise one turn per every 3 inches of the garage door gap the.
Your garage door is programmed to travel a certain distance before it closes.
I d bet a small fortune that your eyes are getting bounced around while it is opening shutting and disrupting the process but you will want to be sure you don t have anything major going on by doing the above.
My garage door opens about six inches and stops i press the my garage door opens about six inches and stops i press the button twice so it will stop going down and then is goes up another 6 inches or so.
A broken torsion spring will also cause the door to slam closed instead of closing gently.
Fast easy step by step process on how to properly program your garage door travel system.
If not there is a problem with the door.
This read more.
Your travel down setting needs to be adjusted.
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.
Disconnect the opener from the door itself like so and open it manually a few times.
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.
Tighten and re align your eyes and you should be fine.
As is the case with so many issues at the home there s no one reason why your garage door closes then opens.
If you release the door from the opener using the release cord see image below you should be able to lift the door to half open by hand and the door should stay at that point if you release it.
Here s a rundown of some of the possible reasons this can be happening.
This is almost always the result of a dirty or obstructed safety feature.
The garage door can be operated manually by disconnecting the garage door opener from the door using the red pull cord.
If the door starts to open but won t move more than a few inches the torsion spring may be broken.
