MULTIQUIP Whisperwatt DCA150SSJU4F, Operation And Parts Manual

Page: 42 / 94

page 42 — dca150ssju4f 60 hz generator • operation and parts manual — rev. #0 (11/06/14)
MaiNteNaNCe
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).
Figure 59. ECU DEF State Pre-Alarm
Series 800 Controller
ECU
Engine Started
Shutdown
Pre-Alarm
Alarm
Acknowledge
Screen
Change
Program
Exit
Option
DEF STAT
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.
Figure 60. Engine Emissions System
Malfunction Pre-Alarm
Series 800 Controller
ECU
Engine Started
Shutdown
Pre-Alarm
Alarm
Acknowledge
Screen
Change
Program
Exit
Option
EESM
NOTICE
If the engine emissions system malfunction symbol
(Figure 60) is displayed during normal operation please
contact your nearest MQ service center.
table 13. 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
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.