8
BPI switch – (BPI = Binary Prozessor Interface)  to prepare for working with Sartorius
service software, log out with „CLOSE“ function (to reset for SBI functions).
– Or if all else fails by resetting the operating menu (9-1°)
Be careful, the factory settings are activated.
“ ERR 30 is also shown after pressing the r key, if the wrong interface
cable is used!