Replacing Garage Door Sensor Wire

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.

Replacing garage door sensor wire.

Step 3 replace the old sensors with new garage door openers sensors. Open the garage door. Unscrew them from their positions on each side of the garage door. Attempt to close the garage door using a remote.

Find the wires connecting the sensors to the electricity and with the pin snips clip them loose. Garage door sensors are safety devices that prevent the door from closing on people pets or objects in the doorway. Garage door openers include a photo electric sensor system to help prevent damage to the door or opener. 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. Do not fully tighten yet. Place a box or similar object between the safety sensors to block the sensing beam. 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.

Mount the new garage door openers sensors in the exact same position as the old ones. Fixing the sensor on overhead garage doors. Wiring a sensor for a genie garage door opener is much like any other opener.