Parked Regeneration - Detroit Diesel MBE 900 Operator's Manual

Parked Regeneration

Regeneration of the Aftertreatment
Device (ATD) is fundamental for
the oxidation of soot. This process
happens during the normal operation
cycle of the vehicle; it can occur both
passively and actively. Regardless of
this, the operator will see no difference
in vehicle performance or vehicle
control. If the ATD is not capable of
completing regeneration due to duty
cycle constraints or other restrictions,
a parked regeneration may need to
occur.
The driver will be notified of the
need for a parked regeneration by
illumination of the Diesel Particulate
Filter (DPF) lamp as listed in Table 3.
If the driver continues to operate
the vehicle without a regeneration,
additional measures will be taken to
protect the engine and ATD device
from damage, up to and including
engine shutdown.
The sequence of indicator lamp(s) is
as follows:
1. The DPF Regeneration Lamp will
be illuminated prior to any engine
protection measures being taken.
Once this lamp is lit, the parked
regeneration process should be
initiated.
2. If no DPF regeneration occurs
after the initial DPF Regeneration
Lamp illumination, the lamp
All information subject to change without notice. (Rev. 04/08)
DDC-SVC-MAN-0040 0704 Copyright © 2008 DETROIT DIESEL CORPORATION
MBE 900 ENGINE 2007 OPERATOR'S GUIDE
will begin blinking and a parked
regeneration should be initiated
as soon as possible. If the flashing
DPF is still ignored, the AWL
(Check Engine), listed in Table
3, will illuminate. This will be
accompanied by a 25% engine
torque reduction.
3. If parked regeneration is still not
initiated, a standard 60 second
engine shutdown sequence will
occur. All of the following
dashboard lamps will be present,
blinking DPF Regeneration
Lamp, solid AWL (Check
Engine), and solid Red Stop
Lamp (RSL)/Stop Engine,
listed in Table 3. Once this engine
shutdown sequence is completed,
a parked regeneration must occur
to continue vehicle operation.
If the driver continues to operate
the vehicle without a regeneration,
additional measures will be taken to
protect the engine and ATD device
from damage, up to and including
engine shutdown. Described below is
the procedure for performing a parked
regeneration.
NOTE:
If the DDEC VI electronics have not
requested the initiation of a parked
regeneration (the DPF Regeneration
Lamp is not illuminated), the regen
request switch is disabled.
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