Case 2050M, Operator'S Manual, Page: 70 / 286

3 - CONTROLS AND INSTRUMENTS
DEF/AdBlue® level faults, failures, and engine power loss levels
Visual display
warning
Indicator
light
Indicator
light status
Audible
alarm
Description
“DEF/AdBlue
Level LOW”
Active Active DEF/AdBlue® level is less than 10 % of tank volume, refill
DEF/AdBlue®.
No engine power loss.
“DEF/AdBlue
Level Tank
EMPTY Power
Limited”
Active Active DEF/AdBlue® level is less than 5 % of tank volume ( 0 %
will be displayed), refill DEF/AdBlue® immediately.
Up to
65 % torque reduction and 40 % engine speed
reduction within 40 min of engine running time.
“DEF/AdBlue
Level Tank
EMPTY Power
Limited”
Active Active DEF/AdBlue® level is empty. Refill DEF/AdBlue®
immediately.
Engine speed reduced to low idle within
30 min of engine
running time.
“DEF/AdBlue
Level Tank
EMPTY Power
Limited”
Active Active Emergency re-start is active.
No engine power loss. Engine will be reduced to low idle
after
30 s of continued operation. Refill DEF/AdBlue®
immediately.
DEF/AdBlue® quality faults, failures, and engine power loss levels
Visual display
warning
Indicator
light
Indicator
light status
Audible
alarm
Description
“Poor DEF/
AdBlue Quality
Detected
Torque
Limited”
Active Active DEF/AdBlue® quality/concentration is questionable.
Drain DEF/AdBlue® tank, clean and refill with approved
DEF/AdBlue® solution.
Contact your local authorized dealer if failure persists.
No engine power loss.
“Poor DEF/
AdBlue Quality
Detected
Power Limited”
Active Active DEF/AdBlue® quality/concentration is questionable 60 min
after the initial warning. Drain DEF/AdBlue® tank, clean
and completely refill with approved DEF/AdBlue® solution.
Contact your local authorized dealer if failure persists.
Up to
65 % torque reduction and 40 % engine speed
reduction within 40 min of engine running time.
“Poor DEF/
AdBlue Quality
Detected
Power Limited”
Active Active DEF/AdBlue® quality/concentration is questionable
220 min after the initial warning. Drain DEF/AdBlue® tank,
clean and completely refill with approved DEF/AdBlue®
solution.
Contact your local authorized dealer if failure persists.
Engine speed reduced to low idle within
30 min of engine
running time.
“Poor DEF/
AdBlue Quality
Detected
Power Limited”
Active Active Emergency re-start is active.
Drain DEF/AdBlue® tank, clean and completely refill with
approved DEF/AdBlue® solution.
Contact your local authorized dealer if failure persists.
No engine power loss. Engine will be reduced to low
idle after
30 s of continued operation. Contact your local
authorized dealer for repair.
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