Short Garage Door Sensor

If the garage door closes it indicates that the sensors are not functioning.

Short garage door sensor.

Here s what liftmaster suggests. The short answer is because it s the law. Electric garage door openers are a great innovation but as is the case with every electric electronic component things can go bad and malfunction. Why do you need garage door sensors.

Garage door sensors prevent the garage door from closing if there s something in the way. The sensors that make garage doors safer must be located in the worst possible place close. If your garage door sensors are clean it could be the alignment or the wiring. In 1993 the u s.

That law states they need to be able to reverse the motion of the door within 2 seconds. Check for incorrect wiring between the sensors and the garage door opener. If your sensors or garage door motor is blinking or your door doesn t close it s a sign you could have faulty sensors. Arrange the boxes in the garage doorway just in front of the sensors.

Verify the wire connections are correct on the garage door opener. The sensors that make garage doors safer must be located in the worst possible place close to the floor. Sensors are a critical safety feature but can prevent an automatic garage door from working properly.