What does blinking light on Chamberlain garage door opener mean?
What does blinking light on Chamberlain garage door opener mean? If the lights do not glow, then the safety sensors need to be replaced. Four flashes is the most common reason your opener lights may be flashing is because of your sensor eyes being misaligned. If an object has misaligned your sensor eyes then it breaks the electronic beam preventing the garage door to close properly. Why is the light blinking on my liftmaster garage door opener? The most common reason for the lights to flash on the garage door opener and the door not closing is that the safety...