Toro Groundsmaster 5900 Operator's Manual page 44

Figure 37
4. Press button 4 to return to the DPF regeneration
screen or press button 5 to exit the service menu
and return to the home screen.
Technician Menu
Important:
For operating convenience, you
may decide to perform a parked regeneration
before the soot load reaches 100%, provided
the engine has run more than 50 hours since
the last successful reset, parked, or recovery
regeneration.
Use the technician menu to view the current state of
engine regeneration control and view the reported
soot level.
1. Access the DPF Regeneration menu, and press
buttons 1 or 2 to scroll down to the T
option (Figure 38).
Figure 38
2. Press the button 4 to select the Technician entry
(Figure
The state and soot load information displays.
•
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DPF Operation Table
State
Normal
Assist Regen
ECHNICIAN
Reset Stby
Reset Regen
Parked Stby
Parked Regen
Recov. Stby
Recov. Regen
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•
44
38)
Use the DPF operation table to understand
the current state of DPF operation
39).
Figure 39
.
Description
The DPF is in normal-operating
mode—passive regeneration.
The engine computer is performing an
assist regeneration.
The engine
computer is trying
to run a reset
regeneration, but
1 of the following
conditions prevents
regeneration:
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.
View the soot load which is measured as the
percentage of soot in the
refer to the soot-load table.
(Figure
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The regen inhibit
setting is set to O .
N
The exhaust
temperature
is too low for
regeneration.
DPF(Figure 40);