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OPERATOR'S STATION
DEF/SCR System Alarm
When the DEF/AdBlue® 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/AdBlue gauge changes depending on
the DEF/AdBlue 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/AdBlue® level is low.
Refill DEF/AdBlue®.
(Red) (Red, slow blink)
DEF/AdBlue® is insufficient.
Refill DEF/AdBlue®.
Engine output is restricted.
(Red)
(Red, slow blink)
DEF/AdBlue® tank is empty.
Refill DEF/AdBlue®.
Engine output and speed are restricted.
(Red, fast blink)
(Red, fast blink)
d
CAUTION: When /AdBlue tank becomes empty, the
engine runs but machine operation is disabled until
DEF/AdBlue is supplied.
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