DoItYourself has a wonderful explanation: “When the device detects any person or object in the path of a closing garage door, it signals the motor to stop the downward action and switch the motion into reverse to stop the obstacle being crushed. The good news is, a yellow light is your garage door sensor’s descending line. Knowing how a garage door sensor works allows a homeowner to be watchful for what might affect it. Why Does My Motion Sensor Light Stay On? Final Takeaway- Bypass Garage Door Sensors. Having your garage door light blink continuously is not only annoying, it’s also a sign that there is something wrong with the mechanism. If the beam of light is interrupted while the garage door is closing the door will stop and rise back up. January 1, 1993. This can be for numerous reasons. The safety eye sensors became mandatory on all garage door openers manufactured on or after. Does your garage door sensor have a yellow light that’s making you worry? The units are placed near the ground on either side of the garage door. The first step is to work out why the light is staying on. There isn’t The safety eye sensors are mounted. There are several reasons why your garage door opener is doing this. Do Both Garage Sensors Need to Be Green? It’s very easy to Bypass Garage Door Sensors, just follow these simple steps. Why is Garage Door Sensor: Yellow Light Instead of Red. The safety eyes sensors became mandatory to protect children from. As long as you have a few basic tools and a little patience, the fix is usually pretty easy. Motion sensor lights are the ideal solution for lighting certain parts of your home like exterior walkways, driveways and garage areas. Garage door sensors utilize a photo-eye sensor and a beam of infrared light that goes between the two units. They also serve as outdoor security lights, helping protect your property against intruders or trespassers.While most motion sensor lights will perform dutifully when installed correctly, they can fail from time to time. This is how to work out which reason is the one causing your motion sensor light to stay on.. Start by moving your motion sensor for the light into a position that is away from any heat vents, dryer vents, or air conditioning units. entrapment and death from garage doors closing on them. We hope you find this comprehensive guide on, “How to bypass the garage door sensors” helpful. However, the two most common reasons include a problem with the lock button and malfunctioning safety reversing sensors. Perhaps you fear the sensor might be low on batteries, or worse, nearing the end of its lifespan. How a Garage Door Sensor Works. There are several things that can cause your garage door sensor yellow light or the door itself from working properly. Although this may seem like a complicated issue, most of the time it’s not.