Garage Door Opener Safety Sensor Not Working

My liftmaster garage door stopped closing the normal way.

Garage door opener safety sensor not working. Fixing the sensor on overhead garage doors. Automatic garage door openers manufactured after january 1st 1993 are required to have safety entrapment sensors. Garage door sensors are safety devices that prevent the door from closing on people pets or objects in the doorway. Sears craftsman garage door openers have an important safety feature that prevents the door from closing when something or someone is in the way.

The sensors are located above the. For the door to close correctly without reversing the safety sensors need to be aligned perfectly and there should be nothing in the way of the light beam. Sensors are a critical safety feature but can prevent an automatic garage door from working properly. To prevent the garage door from injuring someone in the door or damaging an item in the way of the door all models of liftmaster garage door openers come installed with a safety sensor.

If your sensors or garage door motor is. Safety sensors are mounted at the bottom of your garage door tracks about six inches off the ground and shoot an invisible beam across the opening of your garage door. The garage door sensor yellow light and the green light together create a solid illumination. This video takes you from my problem description to a successful repair all for under 24 00 u s.

Okay now that you know some of the common signs of garage door sensor malfunction you re ready for the next step troubleshooting. They are only active on the down cycle and will make the garage door opener reverse and go back up if something. If your garage door sensors are clean it could be the alignment or the wiring. If you are unable to get the door closed and the safety sensors are the issue the garage door can be closed by pressing and holding the door control push bar until down travel is completed.

This safety reversing sensor is actually a pair of. If you do not see a solid illumination or your garage door is not working the problem is most likely due to the sensors being out of line.