In 1993 a law was passed in the u s.
Trouble with garage door binding and reversing.
Usually this is a sure sign that there is an issue with the garage door s photo eye system.
Two possible problems can lead to a garage door reversing before it even touches the floor.
Requiring garage door operators to be equipped with a secondary reversing system which most operators have in the form of photo eyes.
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.
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.
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.
You push the button to close the garage door.
Check to be sure these two sensors on either side of your garage door.
If you garage door is lowering then reversing back to the open position there could be something obstructing the sensors.
It goes partway down reverses direction and goes back up again.