8.2 Access rights to the technician's level
The technician's level must not be accessed by normal users. Modifications at this level must only be done by
service staff.
The technician's level is unlocked by the following key combination:
When switching on the control unit P (23)and the reset (18) button must be pressed at the same time.
This allows access to the technician's level.
Press A+ to get into the technician's level.