The most likely cause for a garage door to only open a few inches when hitting the garage door opener remote control or the garage door opener wall button is.
My garage door will only open a few inches.
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.
If the door does not open manually.
You will have to call a professional garage door service tech.
Disconnect the opener from the door itself like so and open it manually a few times.
If this isn t lit check for a tripped breaker in the main panel or a tripped gfci outlet.
We will now want to take a look at the garage door springs.
The photo eye will be about 4 6 inches off of the ground for most doors with an eye that is about the size of a pea.
I would encourage you to test the mechanism of the door itself to completely rule out any damage or blockages.
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.
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.
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.
If the door is working properly it should be easy to lift by hand.
A broken torsion spring will also cause the door to slam closed instead of closing gently.
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This indicates that the springs torsion springs in the case of the photo above are working properly and are not the issue.