MULTIQUIP Whisperwatt DCA150SSJU4F Operation And Parts Manual page 42

If the diesel exhaust fluid (DPF) symbol (Figure 59) is
displayed during ECU controller operation, it indicates the
following:
„ DEF tank level is below 10%. Reference Table 13, DEF
Level System Action System.
„ DEF quality is poor. Check DEF tank level and check
active diagnostics trouble codes (DTC).
ECU
Series 800 Controller
DEF STAT
Alarm Screen
Option
Acknowledge Change
Figure 59. ECU DEF State Pre-Alarm
DEF Level
Controller Message
DEF Symbol
Pre-Alarm Lamp
Shutdown Lamp
NOTICE
Unit derate occurs at below 0% DEF level. If DEF level
is at empty, engine will shutdown. When refilling with
diesel fuel is required, refill DEF tank as well.
page 42 — dca150ssju4f 60 hz generator • operation and parts manual — rev. #0 (11/06/14)
Engine Started
Shutdown
Pre-Alarm
Program
Exit
table 13. def level system action system
Over 10% Below 10%
— DEF<10% Tank Level DEF<10% Tank Level
—
— —
— —
If the engine emissions system malfunction (EESM)
symbol (Figure 60) is displayed during ECU controller
operation, it indicates the following:
„ Engine emissions are outside of normal operation range.
„ Sysyem fault has occured.
ECU
Figure 60. Engine Emissions System
NOTICE
If the engine emissions system malfunction symbol
(Figure 60) is displayed during normal operation please
contact your nearest MQ service center.
0%
ON
—
MaiNteNaNCe
Series 800 Controller
EESM
Alarm Screen Program
Option
Acknowledge Change Exit
Malfunction Pre-Alarm
Empty or After 4 hrs. From 0%
DEF Tank Empty Level
Blinking
ON
Engine Shutdown
Engine Started
Shutdown
Pre-Alarm
Blinking
ON
ON