Service Manual
SootAccumulation
Ifthetypesofregenerationthatareperformedautomatically(whilethemachine
isoperating)arebypassedornotallowedtocompletebeforeshuttingoffthe
engine,sootwillcontinuetoaccumulateinthesootlter.Whenenoughsoot
accumulates,theengineECUwillgenerateanenginefaulttopromptaparkedor
recoveryregeneration.InadditiontoanenginefaultappearingontheInfoCenter,
theengineoutputpowerwillbereduced.
AshAccumulation
Ashisaresultoftheregenerationprocesses.Thelighterashisdischarged
throughtheexhaustsystem,whiletheheavierashcollectsinthesootlter.
Whenenoughashaccumulatesinthesootlter,theengineECUwillgenerate
twoenginefaultstopromptservicingtheDPF .Firstfaultforshouldservicethe
DPFandthesecondformustservicetheDPF .Inadditiontoanenginefault
appearingontheInfoCenter,theengineoutputpowerandspeedwillbereduced.
YanmarDieselEngine:GeneralInformation
Page4–10
Groundsmaster
®
4100-D&4110-D
13203SLRevE