Neighborhood Garage Door Service

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What Are Photo Eye Sensors on My Garage Door?

Photo-eye sensors are an important part of your garage door safety system. Your Neighborhood Garage Door Repair Team has information and tips to understand the system.  To prevent deaths and injury by garage doors dropping on people photo eye sensors became a mandatory safety law in 1993.

What are Photo Eye Sensors and How do They Work?

Photo-eye sensors are small light emitting devices. They are installed beside the garage door rails about 6 inches from the ground.  The sending sensor with the amber light sends a light signal. The receiving sensor on the other side has a solid green light. As long as these two sensors are ‘talking’ to each other your garage door works as it should. If the light is broken your garage door will not lower. Every time you try to close the door it will stop and reverse.

What causes Photo Eye Sensors to Stop Working?

A common problem causing sensors to stop working is dust, dirt or cobwebs that cover the photo eyes. The sensors are close to the ground. It’s not surprising there is a lot of dirt close to the sensors that can accumulate.

As we store a lot of things in garages it’s not uncommon to have something fall and hit the photo eye sensor. Garages store a lot of different items. Anything can fall and hit the photo eye sensor causing misalignment. When that happens the safety beam is broken and stops your door from lowering.

The other problem that happens is people or animals.  There is a lot of traffic in a garage, and anything hitting the sensors can cause them to stop working properly. As we walk back and forth sensors get bumped causing them to move out of alignment.

How Can I Fix Misaligned Sensors?

Properly working receiving sensors should have a solid green light. A red light, or a flashing green light, is an indicator the sensor is not receiving the beam. Realignment is an easy problem to resolve.

  • Check nothing is under the garage door path breaking the sensor transmission.
  • Check the area around the sensors for dust or cobwebs. Use a soft, clean cloth wipe to off the lenses of the sensors. You might consider making this a part of your routine maintenance program.
  • Sweep the area around the sensors removing any dirt, leaves, or debris.
  • Photo eyes are mounted on brackets with wing nuts. Loosen the wing nut on the receiving sensor and move it until the light turns solid green. If that doesn’t work try the same thing with the sending sensor.
  • If the lights are in position but still not working look for loose or broken wires. The sensors may not be receiving the electricity needed to operate.

If the problem continues call a professional to troubleshoot the problem.

Give Us A Call

If your garage door still refuses to close give your Neighborhood Garage Door Team a call. We will be right over to get your garage door back in working order again.

You Can Trust Us for the Job

positive reviews

They sent Doug Fussell out to my house on the day after Christmas! I had only called them three days before! Doug was a premier technician, very thorough and very efficient. I expected him to take two days, since he was replacing two doors and adding openers on each door. He only took the daylight hours of one day! I could not believe how fast he was! In addition, he thoroughly taught me how to use the remote openers. I highly recommend them to anyone!
~Donald B.

positive reviews

We just bought a home and this company was so understanding as I had to change the appointment time a few times. Then the tech came out and was so kind and helpful. I could not have asked for a better experience and will suggest them to anyone who needs work done on their garage door!
~Tammy K.

positive reviews

My garage door broke on a Saturday night as I was getting ready to leave for a holiday party. Kelvin was here within 30 minutes. He reviewed everything with me that was happening with my door. He gave me the estimates of what was immediately needed to be done in order for my door to raise and then what I will need to have done very soon. I could see all the problems he pointed out to me and I decided to have everything done. He completed everything that night. I was very satisfied with Kelvin’s professionalism and the work he did. Thank you again.
~Joyce N

We Service All Makes and Models of Garage Doors and Openers