press the right button to select the Technician entry
(
).
g227348
Figure 45
•
Use the DPF operation table to understand the
current state of DPF operation (
).
g227360
Figure 46
.
DPF Operation Table
State
Description
Normal
The DPF is in normal-operating
mode—passive regeneration.
Assist Regen
The engine computer is performing an
assist regeneration.
The regen inhibit
setting is set to O
N
.
Reset Stby
The engine
computer is trying
to run a reset
regeneration, but
1 of the following
conditions prevents
regeneration:
The exhaust
temperature
is too low for
regeneration.
DPF Operation Table (cont'd.)
State
Description
Reset Regen
The engine computer is running a reset
regeneration.
Parked Stby
The engine computer is requesting that
you run a parked regeneration.
Parked Regen
You initiated a parked regeneration
request and the engine computer is
processing the regeneration.
Recov. Stby
The engine computer is requesting that
you run a recovery regeneration.
Recov. Regen
You initiated a recovery regeneration
request and the engine computer is
processing the regeneration.
•
View the soot load which is measured as the
percentage of soot in the DPF(
); refer to
the soot-load table.
Note:
The soot load value varies as the machine
is operated and DPF regeneration occurs.
g227359
Figure 47
Soot-Load Table
Important Soot Load Values
Regeneration State
0% to 5%
Minimum soot load range
78%
The engine computer performs
an assist regeneration.
100%
The engine computer
automatically requests a
parked regeneration.
122%
The engine computer
automatically requests a
recovery regeneration.
Passive DPF Regeneration
•
Passive regeneration occurs as part of normal
engine operation.
•
While operating the machine, run the engine at
full-engine speed and high load when possible to
promote DPF regeneration.
43
Summary of Contents for Groundsmaster 4000
Page 85: ...Notes ...