If your garage door has been in place long enough enough dirt may have formed on the lenses to block the beam or cobwebs might be in the way.
Garage door electric eye not working.
If the garage door goes up.
Look for obstructions adjust the sensors to get a solid green light.
They should be pointing directly at each other.
These settings also referred to as travel limits tell the opener.
Turn off the power to your sensors by tripping the fuse for your garage.
Also how to manually close and disconnect.
Either the beam is broken by the problem and the garage door won t close at all or the beam isn t properly detecting obstructions and it will close on anything unlucky enough to be in the door s way.
Many times the malfunction can be due to a loose connection or broken wire.
If your garage door is not working correctly it may be an indication that the photo eye requires adjustment.
But they are also required to be connected to the opener and adjusted properly or the garage door opener will not function.
How to fix a garage door s photo eye.
If you ve checked the sensor eyes and alignment and the door still won t work properly the open and close limits could be to blame.
Since the lack of power supply is a common problem check the wires around the sensor when the led lights are not flashing.
If it isn t it could get in the way of the electronic beam and prevent the garage door from closing because the cardboard tube is breaking the beam.
You are correct that the electric eyes graphic left are a safety feature mandated by federal law.
Sweep the garage floors and look through the sidings to ensure that there are no objects to obstruct the door.
So reconnect them to the opener and check their alignment.
You ll find this in your home s breaker box.
Put a tube on the electric eye on each side of the garage door one side for mornings the other side for evenings 5 make sure the tube is extending straight out from the electric eye.