How To Tell If Your Garage Door Sensors Are Bad

Sensors are a critical safety feature but can prevent an automatic garage door from working properly.

How to tell if your garage door sensors are bad.

Replace the main gear drive if the garage door opener makes a grinding noise but the door doesn t move your main drive gear is probably toast. Measure the height of the garage door sensors to get the required height of objects to block it. Since most photo eye sensors are placed at that two inch height most people know you can simply step high above the infrared light to bypass the system. Sensors malfunction due to a number of reasons.

Garage door sensors prevent the garage door from closing if there s something in the way. If your garage door isn t closing properly and there doesn t seem to be anything tripping the sensor you need to understand how to tell if garage door sensor is bad. It is vital for one to know how to tell if the garage door sensor is bad. Garage door opener won t open all the way fix.

Press the button that closes the garage door on the garage wall or on your remote. Below are steps to guide you through the assessment process. Place the box in the garage doorway making sure the box is in front of the garage door sensors. If your sensors or garage door motor is blinking or your door doesn t close it s a sign you could have faulty sensors.

Measure the door sensors height. The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor. If your garage door closes properly and you re certain there s nothing blocking the sensors then it could mean the sensor itself has a problem. The photo eye sensor for a garage door opener is typically placed approximately two inches off of the ground.

In this article you will discover some of the most common issues that cause a garage door sensor malfunction. Remote control often times a garage door issue boils down to the remote control and more often than not fixing the remote is as simple as replacing the battery. If one of the photo eye sensors are malfunctioning it will begin to blink rapidly.