Activating the Service Mode
e
)
k k
setup
)
wp-1
k
code
)
)
(
code
(
Switch on the display and control unit and press )
briefly, during the startup routine, to open the operating menu
Select the Setup menu item
Open the Setup menu
1
Select the Code menu item
(Press k repeatedly until code is displayed)
Open the Code submenu and enter the service access code (see Appendix)
Enter the code using the ( ) k p keys
Confirm the service access code
Service mode is active: an "S" is shown in the upper right-hand corner of the display.
Return to the "Code" menu, now in service mode.
Return to the "Setup" menu, now in service mode.
If password input is prompted at this point, enter the service access code (see appendix)
1
and confirm input to continue
11
Signum Option A15