Toro Groundsmaster 4100 - Page 40

DPFAshAccumulation
•Thelighterashisdischargedthroughtheexhaust
system;theheavierashcollectsinthesootlter.
•Ashisaresidueoftheregenerationprocess.Over
time,thedieselparticulatelteraccumulatesash
thatdoesnotdischargewiththeengineexhaust.
•Thecomputerfortheenginecalculatestheamount
ofashaccumulatedintheDPF.
•Whenenoughashaccumulates,theengine
computersendsinformationtotheInfoCenter
intheformofanenginefaulttoindicatethe
accumulationofashintheDPF.
•Thefaultmessagesindicatethatitistimeto
servicetheDPF.
•Inadditiontothewarnings,thecomputerreduces
thepowerproducedbytheengineatdifferent
ash-accumulationlevels.
InfoCenterAdvisoryandEngineWarningMessages—AshAccumulation
Indication
Level
FaultCode
EngineSpeed
Reduction
EnginePowerRatingRecommendedAction
Level1:
Engine
Warning
g213863
Figure36
CheckEngine
SPN3720,FMI16
None
Thecomputer
de-ratestheengine
powerto85%.
ServicetheDPF;
refertoServicingthe
Diesel-OxidationCatalyst
(DOC)andtheSoot
Filter(page66)
Level2:
Engine
Warning
g213863
Figure37
CheckEngine
SPN3720,FMI16
None
Thecomputer
de-ratestheengine
powerto50%.
ServicetheDPF;
refertoServicingthe
Diesel-OxidationCatalyst
(DOC)andtheSoot
Filter(page66)
Level3:
Engine
Warning
g214715
Figure38
CheckEngine
SPN3251,FMI0
Enginespeedat
maximumtorque+
200rpm
Thecomputer
de-ratestheengine
powerto50%.
ServicetheDPF;
refertoServicingthe
Diesel-OxidationCatalyst
(DOC)andtheSoot
Filter(page66)
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