Def/Scr System Alarm; Def/Adblue® Level Alarm - Hitachi ZW 310-6 Operator's Manual

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
(Yellow) (Red, light)
(Red) (Red, slow blink)
(Red, slow blink)
(Red)
(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.
OPERATOR'S STATION
Alarm Indicator
1-31
Status/Inducement
DEF/AdBlue® level is low.
Refill DEF/AdBlue®.
DEF/AdBlue® is insufficient.
Refill DEF/AdBlue®.
Engine output is restricted.
DEF/AdBlue® tank is empty.
Refill DEF/AdBlue®.
Engine output and speed are restricted.