STEP BY STEP PROGRAMMING DIRECTIONS 1 Press and release the “learn” button on the garage opener (Not the remote). A light will glow for 30 seconds, that’s the window of time you will have to do the next step… 2. Press and hold the button on the remote 3. Release the button when the Garage Door Opener lights blink. Congratulations you did it! Go celebrate with a Jamba Juice or something. If your light bulbs are burned out or you have a unit without them your opener will make two clicking sounds.
This video describes how to reprogram your Liftmaster garage door opener and set a temporary pin.