OPERATOR'S STATION
1-32
DEF/SCR System Alarm
When the DEF level becomes low and/or the Urea SCR
system malfunctions, the engine performance is controlled
depending on the status.
The operator is alerted with alarm indicators.
Move and park the machine in a safe place and follow
the displayed message, or troubleshooting guide for the
accompanied alarms.
DEF/AdBlue® Level Alarm
Display of the DEF gauge changes depending on the DEF
level.
The engine speed and output level control is as follows.
f
NOTE: Set the FNR controller to neutral or apply the parking
brake to show the alarm message on the monitor.
Level Gauge Alarm Indicator Status/Inducement
(Yellow) (Red, light)
DEF level is low.
Refill DEF.
(Red) (Red, slow blink)
DEF is insufficient.
Refill DEF.
Engine output is restricted.
(Red)
(Red, fast blink)
DEF tank is empty.
Refill DEF.
Engine output and speed are restricted.
d
CAUTION: When DEF tank becomes empty, the
engine runs but machine operation is disabled until
DEF is supplied.
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