Status text GPC/
PPU
GPU/
GPU Hy-
dro
Condition
U GEN too low X X Generator voltage is too low compared to the BB volt-
age during synchronisation
U GEN too high X X Generator voltage is too high compared to the BB volt-
age during synchronisation
PREPARING ETHER-
NET
X X The TCP/IP connection is initialising
3.4 Unit operation modes and password
3.4.1 Mode overview
The unit has two different operation modes and one switchboard (blocked) mode.
Mode Description
LOCAL ● The display push-buttons (START, STOP, GB ON, GB OFF) are active and can be used by
the operator.
● The regulators are also active, that is the speed control will bring the generator to nominal
speed upon start.
● When pushing a breaker button for closing, the unit will synchronise the breaker (if al-
lowed).
RE-
MOTE
● The display control push-buttons (START, STOP, GB ON, GB OFF) are disabled.
● The genset can be controlled via the digital inputs, for example “Start sync./control”.
SWBD ● Display push-buttons are disabled. The generator can only be controlled using the switch-
board.
● The protection functions are still active.
● The regulators are not active, that is speed control has to take place from the switchboard.
3.4.2 Mode selection
The mode selection is carried out using the LOCAL or REMOTE push-buttons on the display.
3.4.3 Password
The unit includes three password levels. All levels can be adjusted in the PC software.
Available password levels:
Password level Factory setting Access
Customer Service Master
Customer 2000 X
Service 2001 X X
Master 2002 X X X
A parameter cannot be entered with a password that is ranking too low, but the settings can be displayed
without password entry.
ML-2 operators manual 4189340579 UK
Menu systems and structure
DEIF A/S Page 20 of 29
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