What Do The Garage Door Opener Flashing LED Codes Mean?
Friday, August 7th, 2009The Chamberlain, Liftmaster & Craftsman garage door openers have a built-in diagnostic indicator that will assist you in troubleshooting your garage door opener.
There is a LED light next to the smart button (programming learn button) on the outside of the motor cover up above the antenna. The LED functions as a diagnostic indicator by slowly flashing a failure code continually every eight seconds until the fault is corrected, the garage door opener is reset, or the necessary parts are replaced.
Learn what all of the LED flashing codes mean and what to do to fix your garage door opener problem!