The one button just opens the garage door. The three button has one to lock the door (if compatible) and one for the light.
Which button is the Learn button on LiftMaster?
For a LiftMaster garage door opener, you will find the learn button on the back of the machine after following these steps: – Find the antenna at the bottom of the garage door opener. – If you have a light cover over the control panel, remove it so you can view the dashboard.
What color is the Learn button on liftmaster?
Circular Yellow Colored Buttons
Programming remotes and accessories is simple — just press and release the learn button and the LED light above or near the button will turn on and stay steady for up to two minutes.
Why is the Learn button flashing on my LiftMaster garage door opener?
Your garage door opener is programmed with self-diagnostic capabilities. The diagnostic LED light next to the learn button will flash a number of times, then pause before repeating, signifying it has found a potential issue.
