DCA300SSJU4F2 60 HZ GENERATOR• OPERATION MANUAL — REV. #0 (06/26/18) — PAGE 21
ENGINE CONTROL UNIT (ECU-845)
Figure 8. Engine Control Unit (ECU-845)
Series 800 Controller
ECU
Engine Started
Shutdown
Pre-Alarm
Alarm
Acknowledge
Screen
Change
Program
Exit
Option
OFF
U-V
W-U
V-W
OFF
V
W
U
INCREASE
DECREASE
Series 800 Controller
ECU
Engine Started
Shutdown
Pre-Alarm
Alarm
Acknowledge
Screen
Change
Program
Exit
Option
A
B
C
D
E F G H
1
PSI
OIL PRESS
0
25
50
75
100
°F
WATER TEMP
100
140
180
220
260
°F
FUEL
E
½
F
RPMX10
SPEED
0
120
150
180
210
60
°F
DEF
E
½
F
ECU
Integrated Gauge Panel
VOLTS
0
12
18
24
30
%
0
50
100
Check
DEF
Emissions
Failure
Emissions
Failure
Regen
Needed
Regen
Inhibit
Low
Fuel
The definitions below describe the controls and functions
of the Engine Control Unit (Figure 8).
1.
ECU-845 Controller
— This auto start/stop
controller displays the parameters and the diagnostic
troubleshooting messages of the engine.
In addition, this controller also displays symbols and
indications related to the exhaust gas after treatment
system (DOC, SCR) including the Diesel Exhaust Fluid
(DEF) level in the DEF tank.
A.
ECU Display Screen
— Engine fault diagnostic
messages are shown on this LCD display. screen
B.
Engine Started Lamp
— This lamp when lit
indicates engine is operating normally.
C.
Engine Shutdown Lamp
— When an engine
failure has occured this lamp will blink, indicating
the engine has been shutdown. The diagnostic
fault message will be displayed on the LCD screen.
D.
Pre Alarm Lamp
— When an engine failure has
occured this lamp will blink. Indicating a pre-fault
engine condition and the possibility of engine
shutdown.The diagnostic fault message will be
displayed on the LCD screen.
E.
Alarm Acknowledge Button
— When the engine
experiences a fault, the "Pre Alarm Lamp" or the
"Shutdown Lamp" will start blinking. Pushing this
button will confirm the fault message and the
blinking lamp will change to a solid lamp display.
The fault message will be displayed on the screen.
When multiple engine faults occur, the lamp will
continue blinking until all fault messages are
confirmed. The blinking lamp will change to a solid
lamp display all current confirmed fault messages
will scroll across the screen.
F.
Screen Change Button
— When this button is
pushed during operation, the screen (Figure 9)
will cycle through main and secondary parameter
screens.
Figure 9. Generator Parameter Screen
G.
Option Button
— This button is not active. Do
not use.
H.
Program/Exit Button
— Push this button from the
home screen to enter the main menu.
UO
VO
WO
278
UV
VW
278
480
U
361
V
WU
480
240 kW
300
kVA
W
361
100
h
278
480
361
VOLTS
AMPS
60
Hz
ENGINE GENERATOR SYSTEM OK
NOTICE
The screen as shown in (Figure 9) represents the
phase voltages for each phase to neutral (UO, VO and
WO) and the line voltages between each phase (UV,
VW and WU).