Toro Groundsmaster 4000 Operator's Manual page 43

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