Replacing Garage Door Sensor Wire

The sensor emits an infrared beam that when broken causes the opener to stop closing the door and reverses the movement back to the open position.

Replacing garage door sensor wire.

Open the garage door. Place a box or similar object between the safety sensors to block the sensing beam. Wiring a sensor for a genie garage door opener is much like any other opener. The sensors are located above the.

Chamberlain liftmaster craftsman garage door opener replacement safety sensors g801cb p includes 2 sensors mounting brackets and hardware 4 7 out of 5 stars 1 708 20m 66ft 20awg 2pin extension cable wire cord line for single color led strip ribbon lights 3528 5050 2 wire 20 gauge parallel wire. Do not fully tighten yet. Unscrew them from their positions on each side of the garage door. Whenever there is an obstruction the garage door will automatically reverse before causing any damage.

Mount the new garage door openers sensors in the exact same position as the old ones. Attempt to close the garage door using a remote. The door should stay open and the motor unit lights should blink. If the garage door opener closes the door with the safety sensors blocked replace the logic board.

The replacement safety sensors project an invisible light beam across the inside of the garage door to prevent accidents and are required for safe use of all chamberlain garage door openers. Garage door sensors are safety devices that prevent the door from closing on people pets or objects in the doorway. Step 3 replace the old sensors with new garage door openers sensors.