Common Problems With Garage Door Sensors And How To Figure Them Out

Garage door sensors are an important part of every garage door. It is a small item that is crucial to the proper functioning of a garage door. It ensures convenience for the property owner and seamless access to the garage. Although garage door sensors can be problematic from time to time. They may need to be inspected, checked and repaired from time to time. In certain cases, you may also need to replace them if they stop functioning completely. 


Not just that, according to the law, you need to have garage doors with properly functioning safety sensors. This is because the weight of garage doors can cause accidents leading to serious injuries, damages or even death. Therefore, you must know how to check if your garage door sensors are working properly and may even need to be able to troubleshoot the garage door sensors for proper functioning of the door. 

Essential Features That Your Garage Door Must Have


To know if your garage door sensors are working properly and are in compliance with the legal requirements, you need to know about the requirements at first. Here are the necessary requirements as mandated by Underwriters Laboratories. It is known as the UL 325 and is applicable to all electric operators for doors, windows, louvers, gates, draperies, etc with a rating of 600 volts or less.


  • Inherent Entrapment Protection: RPM sensors that will stop the closing of the door if it comes into contact with an obstruction during the closing. 

  • Manual Release Cord: A manual release cord is mandatory for garage doors. It helps disconnect the garage door from the automatic motor during an emergency. 

  • Secondary sensors: These are basically photo-electric eye sensors. They can detect obstructions that are 6 inches and taller, in the closing way of the door. It prevents the door from closing.

  • Wireless Technology: The wireless technology of your garage door must adhere to all previous standards and also stop the door from closing if there are any obstructions in its closing way. 

Common Problems of Garage Door Sensors

All that being said and keeping those things in mind, you need to look into the common problems that you may face with your garage door sensors. Here are some of the most common ones: 

  • Sensor lenses getting dirty is a common incidence that leads to the malfunctioning of the sensors and the door itself. 

  • Sensor wires may get damaged due to daily wear and tear. Along with that, such issues are caused by weather-related damage, pests, and other reasons. 

  • The door not opening or closing completely may be a sign that your garage door sensors or the door itself is not working properly. A light indicator ensures proper functioning of the sensors. If the light is not on or flashing, then there may be issues with the sensors. 

  • A very common problem with sensors is power supply issues. 

  • Improper garage door sensor alignment may also lead to it not functioning properly. 

  • Sensors, when they get wet, stop working properly. Make sure to check for moisture around the sensors. 


All that being said, if you are facing issues with the sensor, then call for professionals as soon as you figure out the signs. Such experts can help you with the best services and solutions for all kinds of garage door issues like Liftmaster garage door repair near me. If you are confused
where to buy garage door panels replacement call Las Vegas Best Garage Door Repair for help.

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