Garage Door Opener Safety Sensor Not Working

As we have established earlier garage door safety sensors are not universal and will only work with garage door openers of the same brand.

Garage door opener safety sensor not working.

If you own a liftmaster chamberlain or craftsman garage door opener the same safety sensor will work on all three brands. An incorrectly adjusted garage door opener and sensor can cause damage to the garage door motor lift mechanism your house or worse a person or pet. If you find the lights turned off in one or both the sensors it indicates that there is a problem in power supply. If your sensors or garage door motor is blinking or your door doesn t close it s a sign you could have faulty sensors.

Replacing the safety sensors is not a complicated job and is somewhat easy. If the wiring is fine and your garage door opener is still not working then the problem may be that one of the sensors has simply failed. Luckily you can set most automatic garage doors to a manual mode to bypass the sensors. This can happen from old age your basic wear and tear or even constant exposure to the sunlight.

When your garage door opener is not responding to any command from the remote or the door control you need to check if the opener has electricity. Cycle the garage door through the opening and closing actions using the control on the garage wall or the remote unit from a vehicle. If the door does not close completely without hesitation. A few minutes every six months or so will.

A common cause of a malfunctioning garage door sensor is lack of power supply. By simply moving one of the photo eye sensors a garage door opener will not operate properly. If they re turned on in both the sensors then there is no issue with the power supply. Sensors are a critical safety feature but can prevent an automatic garage door from working properly.

The photo eye sensor for a garage door opener is typically placed approximately two inches off of the ground. Two types of accidental obstructions can cause the safety sensor to prevent a garage door from closing. Look for small led lights on the sensors. Here are the two main exceptions to the rule.

A simple way to do this is to unplug the garage door opener and then plug in another device say your phone or a light bulb to see if it lights up.