If i dis connect the door from the chain it still does the same thing.
Garage door opener goes down then back up.
You push the button to close the garage door.
Your garage door opens immediately after closing.
Turn off the sure lock aka vacation mode on the wall console check if limits are properly set check the door balance condition and door spring check opening force control or force settings.
Your travel down setting needs to be adjusted.
Even if i hold the button down the garage door returns up after a foot or so.
The garage door will automatically go in reverse.
The garage door keeps going up and down.
Here s a rundown of some of the possible reasons this can be happening.
Your garage door opens when it hits the ground.
Garage door opener keeps going back up.
Turn the down limit switch screw clockwise one turn with a flat blade screwdriver if the garage door closes and then begins to open back up.
Manually i can raise and lower the door without any problems.
The garage door goes down then back up.
Here are some symptoms of the problem.
This is almost always the result of a dirty or obstructed safety feature.