DCA300SSJU4F2 60 HZ GENERATOR• OPERATION MANUAL — REV. #0 (06/26/18) — PAGE 55
MAINTENANCE
If the
diesel exhaust fluid (
DEF) symbol (Figure 75) is
displayed during ECU controller operation, it indicates the
following:
DEF tank level is below 10%. Reference Table 16, DEF
Level System Action System.
DEF quality is poor. Check DEF tank level and check
active
diagnostics trouble codes
(DTC).
Figure 75. ECU DEF State Pre-Alarm
Series 800 Controller
ECU
Engine Started
Shutdown
Pre-Alarm
Alarm
Acknowledge
Screen
Change
Program
Exit
Option
DEF STAT
DIESEL EXHAUST FLUID (DEF)
The amount of fluid in the DEF tank will be shown on the
ECU Controller main screen during operation. The symbol
shown in Figure 76 will be shown on the ECU monitor
indicating the level of fluid in the DEF tank.
Figure 76. DEF Tank Level Guage
DEF
E
F
NOTICE
Models equipped with the
845 Series ECU Controller
will enter emergency shutdown when the DEF level
has reached 0% and emergency protective measures
are necessary. When this condition exist, the unit can
only be restarted after the ESCAPE MODE is activated
and the unit will run for 30 minutes. Reference "Escape
Mode" section in this manual.
Table 16. DEF Level System Action System
DEF Level
Over 10%
Below 10%
0%
Empty or After 4 hrs. From 0%
Controller Message
—
DEF<10% Tank Level DEF<10% Tank Level
DEF Tank Empty Level
DEF Symbol
—
ON
Blinking
Blinking
Pre-Alarm Lamp
—
—
ON
ON
Shutdown Lamp
—
—
—
ON
Engine Shutdown
