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 closes then opens again.
It may be your garage door sensor.
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.
Your garage door is programmed to travel a certain distance before it closes.
But changes in weather conditions can causes your garage door components to shift or contract.
Your garage door opens when it hits the ground.
It goes partway down reverses direction and goes back up again.
This is almost always the result of a dirty or obstructed safety feature.
The garage door will automatically go in reverse whenever it hits an obstruction such as the driveway or ground.
Measure the distance of the gap from the bottom of the.
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.
You push the button to close the garage door.
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.