Garage door light sensor not working

The problem has to do with the light interfering with the beam. But the beam doesnt travel accross in the daytime, so it wont close. But in the night, the door open and closes no problem.

I think the sending unit may be . My LiftMaster garage door stopped closing the normal way.

I saw one light was on and the other off.

I believe are aligne both solid green lights.

I cover the eye stays green and other shuts off. Garage door repairs in PA NJ AND Delaware. Why does my garage door light flash? This is typically one of the easiest garage door repairs and is usually tied to cob webs or something very minor blocking photo sensors at the bottom of garage door. See this video and learn how to . With kids in and out for basketball practice, endless strands of Christmas lights and cords, and the dog running in and out of the garage, your garage door sensors can get knocked around pretty easily.

NOTE: If you are unable to get the door closed and the safety sensors are the issue , the garage door can be closed by pressing and holding the Door Control push bar until down travel is completed. If both safety sensor LED lights are not lit . Inspect each sensor to make sure the green or red power-indicator lights are illuminated. Proceed to the next step if one or both lights are not illuminated. Most garage door problems can be traced to the sensors. The circuitry inside the sensors is quite reliable . Green sensor light not lite but the Amber is o. Checked for breaks and bad cnnections in wires, all o. Bought new Sensors and installed ne.

How to electrically jump together your garage door eye sensors with out buying new onesel. This will cause the garage door opener to FAIL TO. I realigned the safety eye sensors and the garage door is closing without an issue.

Watch this video and fix it yourself! Fix : Align or replace the safety sensor. If the door goes up but goes down only when you hold down the wall switch, check to see that the safety sensors are in alignment.

The small light on each sensor should be lit up when nothing is between them. Door sensors do go ba so if no light is showing at all, you may need to .