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.
Garage door reverses after closing.
Why does my garage door reverse as soon as it hits the floor.
You push the button to close the garage door.
This is almost always the result of a dirty or obstructed safety feature.
Replace the garage door opener safety sensor the safety sensor has a pair photoelectric eyes at the base of the rails one eye emits an infrared beam and the other receives it.
Test the sensor eyes by connecting them to short wires directly at the motor unit.
It goes partway down reverses direction and goes back up again.
Some older garage door openers do not have nicely labeled adjustment screws for force and travel limits.
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.
This is a safety feature that has been added to garage door openers to help prevent the door from closing on a car pet or even a child.
The photo eyes send an infrared beam across the bottom of your garage door opening if that beam is broken the door will reverse.
Your garage door is likely the largest opening on your home s exterior so it s important to have the peace of mind that it is functioning properly.