Multiquip DCA220SSCU4i manual Engine control unit ecu

engine control unit (ecu)

1

ECU Series 800 Controller

Engine Started

Shutdown

A

Pre-Alarm

Alarm	Screen	Option	Program
Acknowledge Change			Exit

E F G H

B

C

D

25	50	75		140	180	220		12	18	24
0	PSI		100	100	°F	260	6		VOLTS	30
OIL PRESS				WATER TEMP					BATTERY

½120 150 180

60

E	°F	0	RPMX10
	F		210
	FUEL		SPEED

ECU Series 800 Controller

Engine Started

Shutdown

Pre-Alarm

Alarm	Screen	Option	Program
Acknowledge Change			Exit

INCREASEDECREASE

V

UW

OFF

V-W

U-V W-U

OFF

Figure 4. Engine Control Unit (ECU)

The definitions below describe the controls and functions of the Engine Control Unit (Figure 4).

1.ECU Controller — This auto start/stop controller displays the parameters and the diagnostic troubleshooting messages of the engine, and controls DPF regeneration.

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 blnking until all fault messages are confirmed.The blinking lamp will change to a solid lamp display all current confirmed fault messages will scrool 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 — Pushing this button allows the DPF Force Regen and diagnostic code to be confirmed.

page 18 — dca220sscu/4i 60 hz generator • operation and Parts manual — rev. #0 (10/25/12)