Chamberlain Garage Door Sensors Not Working

Remove sensors from brackets and shorten sensor wires to 1 2 ft 30 60 cm.

Chamberlain garage door sensors not working.

Increase the open force adjustment dial slightly. Remove any debris dust or cobwebs from the electric eye lenses on each sensor with a clean rag. E g if the dial is set to 1 increase it to 2. Disconnect all wires from back of motor unit.

Cycle the garage door through the opening and closing actions using the control on the garage wall. Now open the garage door with your remote to check if it opens. On chamberlain garage door openers they are usually blue. Get on a step ladder and remove the light lens locate the force setting dials.

If that doesn t work it could be electrical. 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. 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.

First off your sensors just may need cleaned off so try to gently remove any dust or dirt first and see if that works. The sensors have to be aligned with each other and also have to be connected correctly to the garage door system in order to work. Chamberlain garage door simple sensor diagnose and fix. Find the chamberlain garage door opener technical support you need to get your garage door opener operational.

From informational videos to product manuals and troubleshooting articles the chamberlain group resource library has the information you need.