Garage Door Opener Safety Sensor Not Working

The photo eye sensor for a garage door opener is typically placed approximately two inches off of the ground.

Garage door opener safety sensor not working.

This can happen from old age your basic wear and tear or even constant exposure to the sunlight. Replacing the safety sensors is not a complicated job and is somewhat easy. Cycle the garage door through the opening and closing actions using the control on the garage wall or the remote unit from a vehicle. As we have established earlier garage door safety sensors are not universal and will only work with garage door openers of the same brand.

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. If you find the lights turned off in one or both the sensors it indicates that there is a problem in power supply. 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.

Damaging a photo eye sensor will also cause an opener to fail. Luckily you can set most automatic garage doors to a manual mode to bypass the sensors. A common cause of a malfunctioning garage door sensor is lack of power supply. If you own a liftmaster chamberlain or craftsman garage door opener the same safety sensor will work on all three brands.

If your sensors or garage door motor is blinking or your door doesn t close it s a sign you could have faulty sensors. Sensors are a critical safety feature but can prevent an automatic garage door from working properly. Look for small led lights on the sensors. If the door does not close completely without hesitation.

Here are the two main exceptions to the rule. Light doesn t activate on garage door opener when you cross safety sensor beam chamberlain group products which include the liftmaster chamberlain sears craftsman line of garage door openers have a feature where the opener light will turn on if you cross the safety sensor beam shooting across the opening of your garage door. 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. 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.

Two types of accidental obstructions can cause the safety sensor to prevent a garage door from closing.