Regeneration Disable – This Indicator is
illuminated whenever the disable switch
is activated or the system has been
disabled by the engine ECM.
Amber or yellow Warning – This
Indicator, indicates that the soot load
has increased. Regeneration is required.
Also, the DPF Indicator will be illuminated. A
flashing indicator will cause an engine derate.
Red Stop – This Indicator, indicates that
the soot load is extremely high. The soot
load is at level 3. The DPF Indicator will
be illuminated and the amber warning indicator
will be flashing. The engine will be shut down.
Regeneration Switch
The regeneration switch has three position force
regeneration, automatic regeneration, and disable
regeneration.
Note:
Some OEMs may have other means of
activating a forced regeneration such as touch screen
interface.
Note:
The MIDDLE position of the regeneration
switch is the default position for automatic mode of
regeneration.
Force Regeneration – Press in the top of
the switch for 2 seconds in order to
begin regeneration. An indicator light on
the switch will become active showing that the
regeneration is active. The regeneration active
Indicator will become active showing that the
regeneration is active.
Disable Regeneration – Press in the
bottom of the switch for 2 seconds in
order to disable regeneration. An
indicator light on the switch will become active.
The disable indicator will illuminate.
Note:
To re-enable the regeneration, cycle the engine
start switch key or press and hold down the force
regeneration switch for 2 seconds.
Modes of Regeneration
• Automatic
• Forced Regeneration
Automatic regeneration is controlled by the engine
ECM.
Automatic
– Automatic regeneration allows for the
DPF regeneration to start automatically with up to 80
percent load on the engine. In order for an automatic
regeneration to occur, the following conditions must
be met:
• Refer to OEM for the applications interlocks
required to be engaged before regeneration can
take place.
Forced regeneration
– A forced regeneration is
initiated by pressing the regeneration switch.
Soot Level Monitoring and
Indicators
Note:
In operation an Indicator can have two states,
on solid and flashing. The sequence is to give a
visual indication of the importance of the warning.
Some application may also have an audible warning
installed.
Ensure that the engine maintenance is carried out at
the correct intervals. A lack of maintenance can result
in illumination of the warning Indicators. For the
correct intervals of maintenance, refer to the
Operation and Maintenance Manual, “Maintenance
Interval Schedule”.
SEBU8609
49
Engine Operation
Diesel Particulate Filter Regeneration