How To Align Garage Door Sensors Linear. Align the holes on the back cover of the sensor with the holes on the garage door and screw the back cover onto the door: Tighten the screws into the holes to secure the back cover to the garage door.
If the red light is blinking, the sensors are not aligned. The best way to do this is to trip the fuse to your garage in the breaker box. The units are placed near the ground on.
The units are placed near the ground on.
Carefully release the door and see if the door balances. The sensors are normally about 4 inches above the ground. Firstly, you’ll need to cut off the power to your garage door properly. This is a nice feature because if the light is blinking then you know you have power going to the receiving sensor, all you have to do is align them properly.