User manual
DKG-307 User Manual V-01.03 
(14.02.2006)
      - 7 - 
3. DISPLAYS 
3.1 Led Displays 
  The unit has 29 LEDs, divided in 4 groups: 
  -Group_1: Operating mode: This group indicates the genset function. 
-Group_2:  Mimic  diagram:  This  group  indicates  the  current  status  of  the  mains
  and  genset                         
voltages and contactors. 
-Group_3:  Warnings  and  alarms:  This  group  indicates  the  existence  of  abnormal  conditions 
encountered during operation. 
  -Group_4: Unit: This group indicates the unit of the value displayed in the bottom display. 
Function  Color  Description 
MAINS ON 
Green  The LED will turn on when all 3 mains phase voltages 
are within the limits. 
MAINS OFF 
Red  The LED will turn on when at least one of the mains 
phase voltages is outside limits. 
GENERATOR 
Yellow  The LED will turn on when all 3 generator phase 
voltages are within the programmed limits. 
LOAD GENERATOR 
Yellow  It turns on when the generator contactor is activated. 
LOAD MAINS 
Green  It turns on when the mains contactor is activated. 
LOAD TEST 
Yellow 
TEST 
Yellow 
OFF 
Yellow 
AUTO 
Green 
It turns on when the related operation mode is 
selected. One of these LEDs is always on and 
indicates which operation mode is selected. 
If the operation of the genset is disabled by the 
weekly operation schedule, then the AUTO led will 
flash. 
SERVICE REQUEST 
Red  Engine periodic maintenance request indicator. It 
turns on when the preset engine hours or time 
duration after previous service has elapsed. 
ALARM GROUP 
Red  If a fault condition resulting to the engine shutdown 
has occurred, the related alarm led turns on steadily. 
If a warning condition has occurred, the related led 
flashes. The alarms work on a first occurring basis. 
The occurrence of a fault will disable other faults of 
lower or equal priority. 
UNIT GROUP 
Red  This group indicates the unit of the value displayed in 
the bottom display. When the engine is running the 
unit displays the genset frequency, otherwise it 
displays the battery voltage. Different values may be 
scrolled by pressing the MENU key. 










