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.
Trouble with garage door binding and reversing.
Garage door openers have an adjustment screw that controls the closing force the pressure with which a door is allowed to descend before the motor switches off.
It goes partway down reverses direction and goes back up again.
Check to be sure these two sensors on either side of your garage door.
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.
If you garage door is lowering then reversing back to the open position there could be something obstructing the sensors.
In 1993 a law was passed in the u s.
Two possible problems can lead to a garage door reversing before it even touches the floor.
You push the button to close the garage door.
Requiring garage door operators to be equipped with a secondary reversing system which most operators have in the form of photo eyes.
A garage door that keeps reversing when you attempt to close it with the opener might have a simple problem or a major issue that requires a service professional.