Locate both safety reversing sensors located on each side of the garage door, usually fastened to the.

Liftmaster align sensors. This video shows the differences between the 41a4373 and 41a5034 safety sensor. When the safety sensor is not properly aligned, or something is obstructing the light beam, the garage door will fail to close. How to align the safety reversing sensors on your liftmaster.

This video demonstrates how to install and align the liftmaster photoelectric sensor model lmrrul for gates.for more information about the liftmaster product. This video demonstrates how to align the safety reversing sensors on your liftmaster garage door opener.additional resources:subscribe: Align the safety reversing sensors.

Align the safety reversing sensors. Attach or insert white wires into the white terminal and black/white striped wires into the grey terminal. Test all installed sensors for proper operation.

Remove the wires from the wire nuts or cut the sensor wires 12 from the sensors. Loosen the wing nut on the green led (receiving sensor). Liftmaster 3130 1 3 hp garage door opener user manual manualzz.

Adjust the sensor until the green led is glowing steady and tighten the wing nut. How to do aligning garage door sensors for a smooth and safe operation garage door sensors are an important safety feature of your garage door. Be careful not to scratch or harm the lens of the receiver sensor.

Garage door opener repair and troubleshoting. Follow the steps below to align your safety sensors. Locate both safety reversing sensors, they are located on each side of the garage door, fastened to the door tracks, no higher than 6 inches above the garage floor.