Garage Door Sensors Should Be Tested

If any object blocks the path of the infrared sensors the garage door opener will not activate or will reverse if operating.

Garage door sensors should be tested.

Check the sensors leds. If the garage door fails to stop and crushes the box check the sensor alignment. In this case check the alignment of the opener or better involve a technician. Eve works as a certified coding specialist.

Garage door sensors should be tested. Here s what liftmaster suggests. However if the door goes back to the open position then the sensors are working as they should. The second line of defense is a set of infrared sensors which should be mounted 4 to 6 above the floor on each side of the garage door frame.

Check for incorrect wiring between the sensors and the garage door opener. Sometimes the sensor may be beyond repair due to wear and tear and in such a case your best bet is to replace the garage door sensor with a new one. If the sensors are working the garage door should immediately stop closing and return to the open position. Verify the wire connections are correct on the garage door opener.

If your garage door sensors are clean it could be the alignment or the wiring. If the garage door closes it indicates that the sensors are not functioning. Garage doors may display a variety of symptoms if sensors need attention.