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8
14
5
INCREASE
DECREASE
9
V
U
W
6
OFF
V-W
10
W-U
U-V
7
OFF
The definitions below describe the controls and functions
of the Engine/Generator Control Panel (Figure 10).
1. Gauge Unit Assembly — Houses the various engine
monitoring gauges: oil pressure, water temperature,
engine speed RPM (tachometer), fuel, DEF, charging
voltmeter, and generator load.
A. Oil Pressure Gauge — During normal operation
this gauge should read between 42.1 and 85.6 psi
(290–590 kPa). When starting the generator the
oil pressure may read a little higher, but after the
engine warms up the oil pressure should return to
the correct pressure range.
B. Water Temperature Gauge — During normal
operation this gauge should read between 167°
and 194°F (75°–90°C).
C. Tachometer — Indicates engine speed in RPM
for 60 Hz operation. This meter should indicate
1,800 rpm when the rated load is applied.
D. Fuel Gauge — Indicates the amount of diesel
fuel available.
E. DEF Level Gauge — Indicates the DEF level in
the tank. The red area on the gauge indicates low
DEF level (10%).
F. Charging Voltmeter Gauge — During normal
operation this gauge indicates 12.5–14 VDC.
PAGE 22 — DCA125SSIU4F 60 HZ GENERATOR • OPERATION MANUAL — REV. #6 (05/12/22)
ENGINE/GENERATOR CONTROL PANEL
2
4
3
50
180
25
75
140
220
PSI
°F
0
100
100
260
6
OIL PRESS
WATER TEMP
½
60
°F
E
F
0
FUEL
ECU
Series 800 Controller
Engine Started
Alarm
Screen
Program
Option
Acknowledge
Change
Exit
11
12
Figure 10. Gauge Unit Assembly
A
50
25
18
12
24
VOLTS
30
PSI
0
BATTERY
150
120
180
OIL PRESS
RPMX10
210
SPEED
Check
DEF
Check
Engine
SCR
Purge
Shutdown
Refill DEF
Pre-Alarm
Exhaust
System Error
H
13
G. Generator Load Gauge — Indicates the generator
load rate. It is recommended that the load be above
the red area (20%) in order to maintain sufficient
exhaust temperature.
H. Exhaust System State Indicator Lamps —
Indicate the exhaust system state or DEF state.
I. Low Fuel Warning Lamp — Illuminates when the
fuel level in the fuel tank is low.
2. Panel Light — For operation at night, the panel light
illuminates the control panel for ease of reading meters
and gauges. Make sure the panel light switch is in the
OFF position when the light is not in use.
3. Panel Light Switch — When activated will turn on the
control panel light.
4. Fuel Leak Detected Alarm Lamp — This lamp when
ON indicates that fluids in the containment area have
reached a high level.
5. Frequency Meter — Indicates the output frequency
in hertz (Hz). Normally 60 Hz.
6. AC Ammeter — Indicates the amount of current the
load is drawing from the generator per leg selected by
the ammeter phase-selector switch.
7. AC Voltmeter — Indicates the output voltage present
at the U,V, and W output terminal lugs.
1
B
C
180
75
140
220
60
°F
100
0
100
260
WATER TEMP
50
18
12
24
G
F
%
VOLTS
0
0
30
100
½
E
D
°F
E
F
Low
FUEL
Fuel
I
150
120
180
RPMX10
210
SPEED
ＥＣＵ
Integrated Gauge Panel
½
°F
E
F
DEF
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Troubleshooting
