Reliable Garage Door Repair Services in Atlanta  


  Jan 15 2023

Dealing With a Malfunctioning Garage Door Sensor

Garage door sensors are the most integral components of a properly functioning garage door. It keeps us safe, and our lives become very problematic if something is wrong with it. This article will cover why your garage door sensors might not be working and ways to solve these problems.


Sometimes, we need to look for the simplest answers when things are wrong. The case isn't much different for a garage door sensor. With the second emergency, you may not think of it, but you may need new batteries. The best way to check this is to see whether the transmitter inside your garage opens the door. If it does, the problem is likely with the batteries of a garage door.

Dirty Lenses

Another very simple explanation for the malfunction can be dirty lenses. Since garage door lenses are constantly exposed to dust and debris, it's normal for them to be dirty. However, just like the lens of a regular camera, it won't be able to detect the rays, and therefore the garage door won't work. The solution to this problem is quite simple. Grab a tissue and clean the surface of the sensor. Make sure to use a dry cloth.

Interrupted Light Beam

The light beam needs to be uninterrupted for it to function. If there's a slight interruption to the rays, the sensors won't be able to work. That's why it's essential for homeowners with kids or pets to check carefully if any small object interrupts the beam.

Alignment Issues

Alignment issues are one of the common causes of a malfunctioning garage door. Due to many external reasons, the sensors on both sides of the door might be out of alignment. You can check if both of the sensors are aligned and if they are on. Similarly, the door itself may be out of alignment. As time passes, the rails' components may deteriorate and pose certain risks. If that's the case, it's a good option to seek out the help of a professional.


Many people don't consider the sunlight factor when it comes to malfunctioning sensors. Since garage doors work through infrared beams, any other factor that carries infrared light can interfere with the working mechanism, one of the most powerful ones being the sun rays. To overcome this challenge, you can place cardboard around the sensor to block the sunlight. However, please don't block the sensor itself during the process.


This one might be harder to notice, but it's essential. If you've checked all the previous points and everything is alright, the problem may be with the wiring. The term "wiring" scares a lot of homeowners, but you don't have to be an expert electrician to know what's wrong. Some wires are connected to the sensors, and if you follow those wires closely, you can see if there are any breaks or looseness, which might be the reason behind the malfunction. Although you can identify the problems with wiring on your own, you should reach out to a professional when it comes to changing or fixing them.

Professional Help

Since garage doors are a complicated system with many components, it's a good idea to reach out to a professional when something is wrong. That's why Bob's Advance Garage Doors is ready to help you with any garage door repair. We know the importance of a smooth-running garage door in your life and would like to ensure that. Additionally, we offer professional garage door installation if you are considering getting a new one. If you have any questions regarding our services, contact our team to learn more.

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