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General Information and Operating Instructions
PUSHBACK TRACTOR CHALLENGER550
Jan 28/19
Display area "3" bottom
Pos.
Picto-
gram
Designation
Light
color
Description
1
Warning light "DEF/
SCR"
red
Lights up or flashes in case of a fault
in the exhaust aftertreatment system.
•
Check AdBlue fill level
•
Check SCR system
2
AdBlue/DEF tank fill
level indicator
green
Indicates the fill level of the AdBlue/
DEF tank.
Indicator flashes red if the fill level is
< 25 %.
3
Control light "Rege-
neration necessary"
yellow
Flashes when:
•
Crystallization is detected in
the SCR catalyst
•
The particulate concentration in
the particulate filter is too high
The SCR catalyst and the particulate
filter are regenerated by pressing the
"Start/Stop stationary regeneration"
switch (see Subsection I "Operating
elements", Page 58).
The control light goes off once the
SCR catalyst and the particulate filter
are cleaned.
If the particulate concentration gets
too high, the engine of the CHAL-
LENGER550 switches off. The
engine stop can only be overridden
by pressing the "Override" button at
the driver's operating station.
4
Warning light "Repla-
cement of
particulate filter
necessary"
Yellow
Lights up if a replacement of the par-
ticulate filter is necessary.
Goes out when the particulate filter
has been replaced.
45%
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