Software Guide

IftheengineECUsensesthattheDPF
backpressurehasincreasedpastanacceptable
threshold,anautoregenerationwilloccur.
Duringtheautoregeneration,theintakethrottle
valvelimitstheairowintotheenginewhile
theinjectorsaddadditionalfuel.Thisprocess
increasestheDPFtemperature,whichallows
accumulatedparticulatetoburnoff.Theauto
regenerationiscompletedwhenneeded.The
machinecancontinuetobeusedduringanauto
regeneration.
Thefollowingguresshowthescreensofthe
autoregenerationprocess.
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Figure5
1.StartofAutoRegen
WhentheengineECUdeterminesthatanauto
regenerationisneeded,thealarmchirpsandthe
moduledisplaystheStartofAutoRegenscreen
witha60-secondbargraphtimer(Figure5).
Oncethetimerexpires,theautoregeneration
processbegins.
Note:Noactionisrequiredandyoucan
continuetousethemachineduringtheauto
regenerationprocess.
CAUTION
Duringtheautoregenerationprocess,
theexhausttemperaturesriseandcould
igniteammablematerials.
Usecautionifyouoperatethemachine
aroundammablematerials.
Ifanautoregenerationisneededbutoperating
conditionsdonotallowtheprocesstobegin,
themodulepromptsyoutoincreasetheengine
speedand/orload.
g216605
Figure6
1.IncreaseRPM/Load
Whentheprocessbegins,thescreenchanges
toindicatethattheautoregenerationprocess
isactive.
g216638
Figure7
1.AutoRegenActive
Iftheregenerationisinterrupted,thefollowing
screendisplays:
g216681
Figure8
1.RegenInterrupted
Note:Ifyoushutofftheengineduringthe
regenerationprocess,theprocessresumes
whenyoustarttheengineanditreachesthe
requiredtemperaturelevel.
3.StationaryRegeneration
Overtime,sootaccumulatesintheDPFanda
passiveorautoregenerationisnotsufcient
tounclogthelter.Duringthestationary
regeneration,theengineECUcontrolsengine
speed,load,andair/fuelmixturetoperforma
controlledburnoftheparticulatecollectedinthe
DPF.
Ifastationaryregenerationisrequired,it
mayindicatethattheenginehasbeenidling
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