4
DESCRIPTION OF OPERATING SYSTEM
4
-
21
Flashed
CEL
ON
DPF REGENERATION WARNING LAMP
ON
2. Stage 2 warning lamp for DPF
clogging
: DPF Soot Loading Level 160% -
200%
Manual regeneration required
Engine RPM limit (below 2,200
rpm)
If the DPF is not regenerated in the
stage 1 warning state, the warning
lamp blinks. In this state, make sure
to perform DPF regeneration pro-
cess. (see page 4-8)
3. Stage 3 warning lamp for DPF
clogging
: DPF Soot Loading Level 200%
or higher
Passive regeneration prohibited
Engine RPM limit (below 1,500
rpm)
If the DPF is still not regenerated
even in this state, the Check engine
lamp comes on and the DPF needs
to be replaced.
1. Stage 1 warning lamp for DPF
clogging
: DPF Soot Loading Level 120% -
160%
Manual regeneration required
Engine RPM limit (below 2,200
rpm)
If this warning lamp comes on, make
sure to press the "regeneration" but-
ton. (see page 4-8)
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