How Do You Program A Chamberlain Garage Door Opener Light?
How Do You Program A Chamberlain Garage Door Opener 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 do I set the