!!
critical Breville
Error Code Machine beeps 20 times in fast succession and '2' is displayed on LCD screen
A critical system error has occurred that requires professional service.
? What Causes This
Internal machine malfunction or sensor failure.
✓ How to Fix It
Call Breville Consumer Service immediately.
Source: page 34 of the official manual
From the manual
This error code appears in:
Breville Grind Control Coffee Maker