Case 621G Stage IV, Original Instructions Manual

Page: 135 / 430

3 - CONTROLS AND INSTRUMENTS
Display Description Corrective action
Start Engine to
check Emission
System
Engine start required to
perform the system reset.
Validation re-start counter
is enabled Follow the
instructions on the machine
display.
See your local authorized dealer for repair.
Operate Engine at
High Speed and
Load
Exhaust temperature is low.
Operate the machine for
approximately
20 min at
a minimum of 50% load
to check the SCR system
performance.
See your local authorized dealer for repair.
Maintain Current
Conditions. Test In
Progress
SCR system test in progress.
Maintain current operating
conditions. If all three
validation re-starts have been
used and the system has not
been reset, the machine is
limited to emergency re-starts
only.
See your local authorized dealer for repair.
DEF/A
D
B
LUE
®
Level LOW
DEF/A
D
B
LUE
® level is less
than 10% of tank volume.
No engine power loss at this
level
Fill the DEF/A
D
B
LUE
® tank.
Poor DEF/
A
D
B
LUE
® quality
detected
Poor DEF/A
D
B
LUE
® quality
detected. After the engine
has run for
50 min with poor
DEF/A
D
B
LUE
® quality, there
will be a torque and speed
reduction.
Drain the tank. Replace DEF/A
D
B
LUE
® .
NOTE: see “ DEF/A
D
B
LUE
® tank refilling” section for important
tank draining information.
DEF/A
D
B
LUE
®
Injection Failed,
Power Limited
Technical failure detected.
25% torque reduction ramped
in within 25 min . Further
torque/speed reduction 2 h
after initial fault detection.
Contact your authorized dealer.
Fuel
Low fuel
Fill the fuel tank - do not allow the tank to totally empty.
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