Garage door accidents occurred a lot before the 1930s, but thanks to federal law, garage door companies are mandated to install photo eye sensors in the garage gates to enhance your safety and security. But do you even know what photo eye sensors are and what their purpose is?

Here’s a complete guide on garage door photo-eye sensors for homeowners.

What Are Photo Eye Sensors?

Photo eye sensors are located on both sides of the garage door, six inches above the ground. These are two photo-lights that become active on your remote programming and communicate with each other by passing light signals.

The primary function of photo eye sensors is to ensure nothing obstructs the path of a garage door. The sender passes an amber light while the receiver shows green light upon receiving the message. If the beam is interrupted, the door immediately reverses its direction to prevent falling on someone or something beneath it.

garage door installation with photo eye sensors

What Are the Symptoms of Malfunctioning Photo Eye Sensors?

Photo eye sensors usually don’t malfunction, but if you notice these signs, your door photo eye sensors need fixing.

How to Fix Garage Door Photo Eye Sensors?

You can fix small issues with your photo eye sensors.

Cleaning and Dusting

Sometimes, the two photo eye sensors can’t make a connection because of accumulated dirt and debris. Therefore, use a clean cloth and a mild cleanser to wipe the lens. Make sure you don’t scratch the lens case.


After cleaning, check the adjustment of the photo eye sensors. Fix them to the right position where their beams exactly face each other. You can use a wrench to loosen and tighten the screws holding the lights, but be careful.

Troubleshoot Electrical Connection

Check for your photo sensors’ electrical connection if they don’t open. Unplug the main cord and then reconnect it again after cleaning with a rag. Check for the wiring and the potential breakages. Don’t disassemble the wires if you aren’t sure of the problem, and contact professional repair.

Contact Easy Fix for Garage Door Repairs and Replacement!

Is your garage door malfunctioning? At EasyFix, we offer garage door repair, replacement, maintenance, and installation at affordable prices in Nashville.

For quick assistance, contact us at +1 6155608948.


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