There are a few instances that the memory of your opener would need to be erased. An unwanted remote is activating your garage door opener One remote button is activating multiple doors Your remote control is lost or has been stolen Purchased a new home and want to set garage door opener back to factory default NOTE: Erasing the memory will remove ALL remote controls

Premium LiftMaster garage door openers featuring a battery backup and/or Wi-Fi connectivity have a buzzer to alert you by making a beeping sound. You will hear a beep to confirm a step is performed successfully or you will hear a beep to diagnose an issue. The number of beeps heard will depend on the type of garage door opener and the function you are performing

The Learn button on your garage door opener is located above the antenna wire that hangs from the motor head, or it may also be under a light cover. The Learn button will be either green, red/orange, purple or yellow. The Learn button has two functions: One is to program accessories to the opener; the other is the clear the memory of the opener. Clearing