Calibrating to 0 or 'zeroing' is common practice among all grinders after replacing or servicing burr sets. Since the Mahlkonig E80W does not utilize a physical adjustment collar to adjust the burr (disk distance). Several programing steps are required to calibrate 0.
Calibrate 0:
Log in as Owner:
Menu - User Management - Log In - Password: 1924
Hit Return.
Navigate to Service:
Disc Distance - Calibrate
Close the hopper gate.
Grind remaining coffee through burr chamber.
Run grinder and turn dial clockwise until burrs lightly chirp
Listen for chirp audio in demonstration video above!