Toro 74060 - DPF Regeneration Status

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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.
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Figure6
1.IncreaseRPM/Load
Whentheprocessbegins,thescreenchanges
toindicatethattheautoregenerationprocess
isactive.
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Figure7
1.AutoRegenActive
Iftheregenerationisinterrupted,thefollowing
screendisplays:
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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
excessivelyornotrununderasufcientload.If
multiplesuccessiveregenerationsarerequired,
itmayindicatethattheDPFwillrequireservice
soon,thatanengineproblemexists(e.g.,
incorrectenginefueloroil)orthataDPF
pressuresensorisfailing.
Important:Astationaryregenerationcan
beinitiatedbytheengineECUorbyyou,
theuser.YoucanmonitortheDPFsoot
percentageontheEngine-OffScreenorin
theMaintenanceandServiceMenu.Ifthe
DPFSootpercentageishigh,youmayelect
toinitiateamanualstationaryregeneration
ontheDPFSootPercentagescreeninthe
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