How do you turn on the light on a Chamberlain garage door opener?
How do you turn on the light on a Chamberlain garage door opener? Activate the Light Feature Start with the garage door opener lights "ON". Press and hold the light button for 10 seconds. (Upon pressing the light button, the lights will immediately turn off and come on 10 seconds later.) What to do if motion sensor light does not come on? Turn on the breaker and see if the light comes on. If it does, adjust the sensor range and sensitivity as needed. If the light doesn't come on when you turn the breaker back on, try replacing the...