How To Line Up Garage Door Sensors. Determining if your garage door sensor is bad is fairly straightforward. Locate your garage door sensors.
Why sunlight affects garage door sensors; Innovative garage door openers, competitive prices. Continue until the sensors are once again level.
Lay a level so the bottom runs along the string.
Ad excellence is our guarantee! If the garage door opener closes the door with the safety sensors blocked, replace the logic board. Slide the cardboard tube over the electric eye; The dimension should be even at the both sensors.