DCA400SSI4F/DCA400SSI4F3 60 HZ GENERATOR • OPERATION MANUAL — REV. #3 (04/18/22) — PAGE 21
ENGINE CONTROL UNIT (ECU 835/845)
Figure 8. Engine Control Unit (ECU)
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
The definitions below describe the controls and functions
of the Engine Control Unit (Figure 8).
1.
ECU 835/845 Controller
— This engine-generator
controller displays the parameters and the diagnostic
troubleshooting messages of the engine.
A.
ECU Display Screen
— Engine fault diagnostic
messages are shown on this LCD display screen.
B.
Engine Started Lamp
— When lit, this lamp
indicates the engine is operating normally.
C.
Engine Shutdown Lamp
— When an engine
failure has occured this lamp will blink, indicating
the engine has been shut down. 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 will cycle
through each parameter screen.
G.
Option Button
— This button is not active. Do
not use.
H.
Program/Exit Button
— Push this button to
confirm diagnostic code.