Why is my LiftMaster light not working?
Why is my LiftMaster light not working? If the light is still not coming on, it could be the light socket or the logic board. Unplug the garage door opener, then immediately plug the opener back into the electrical outlet. Listen for the light relay on the logic board to click. How do I reset my LiftMaster light? Press and hold the Lock button until the light blinks (about 10 seconds). A single blink indicates that the timer is reset to 1-1/2 minutes. Repeat the procedure and the light will blink twice, resetting the timer to 2-1/2 minutes. How to...