What should I do if the LCD screen displays error code '1' or '2'?

If the machine beeps and displays '1' on the LCD screen, there is an issue with the coffee grinds chute disc. Check the stainless steel disc (visible when the swing-out door is opened) for any buildup of coffee grinds, wipe it clean, then dry thoroughly. If the problem persists, call Breville Consumer Service. If the machine beeps 20 times in fast succession and '2' is displayed, call Breville Consumer Service immediately. (Pages 33-34)