If it closes before that distance has been traveled it thinks something is wrong and it reopens to help prevent any damage or safety risk.
My garage door closes then opens again.
If the garage door does not close completely or begins to close and then opens back up again the down limit switch needs to be adjusted.
Garage door opener keeps going back up.
Your garage door opens when it hits the ground.
You push the button to close the garage door.
This is almost always the result of a dirty or obstructed safety feature.
But changes in weather conditions can causes your garage door components to shift or contract.
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.
Your garage door is programmed to travel a certain distance before it closes.
It may be your garage door sensor.
The garage door will automatically go in reverse whenever it hits an obstruction such as the driveway or ground.
It goes partway down reverses direction and goes back up again.
There are four common problems with garage door sensors three of these homeowners can fix themselves.