Operator's Manual

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
Figure29
CheckEngine
SPN3720,FMI16
None
Thecomputer
de-ratestheengine
powerto85%.
ServicetheDPF;
refertoServicingthe
Diesel-OxidationCatalyst
(DOC)andtheSoot
Filter(page48)
Level2:
Engine
Warning
g213863
Figure30
CheckEngine
SPN3720,FMI16
None
Thecomputer
de-ratestheengine
powerto50%.
ServicetheDPF;
refertoServicingthe
Diesel-OxidationCatalyst
(DOC)andtheSoot
Filter(page48)
Level3:
Engine
Warning
g214715
Figure31
CheckEngine
SPN3251,FMI0
Enginespeedat
maximumtorque+
200rpm
Thecomputer
de-ratestheengine
powerto50%.
ServicetheDPF;
refertoServicingthe
Diesel-OxidationCatalyst
(DOC)andtheSoot
Filter(page48)
28