Mack V-MAC IV - Shutdown Warning Indicator

V-MACCo-PilotOperator'sManual21
ShutdownWarningIndicator
TheShutdownWarningindicator,redincolor,illuminatesiftheenginecoolantlevel
(ECL)isbelowtheminimumlevelallowed,theengineoilpressure(EOL)isbelow
theminimumallowed,theenginecoolanttemperature(ECT)oraftertreatmentdiesel
particulatelter(DPF)sootleveltriggerareabovethemaximumallowed.Some
vehiclesalsohaveoptionalshutdownfunctionsavailablewhenthetransmission
temperatureorengineexhaustgastemperatures(EGT)areabovemaximumallowable
limits.
Duringashutdownevent,vehiclemanagementandcontrol(V-MAC)IValsoprovides
anaudiblealarm.Thealarmwillalsosoundandtheredshutdownindicatorwillturn
onwhenvehiclemanagementandcontrol(V-MAC)IVdetectsaproblemorexcessive
periodsofidling.Shuttingtheenginedowniswarranted.
Theshutdownwarningindicatorisusuallylocatedontheleft-handsideonthedash
cluster.
W3036501
1.EngineShutdownIndicator(RED)
Vehiclemanagementandcontrol(V-MAC)IVcanbeprogrammedtoactuallyshut
downtheengineifconditionswarrant(lowcoolant,lowEOL,highengineoil
temperature(EOT),highECT,highengineEGTorhighautomatictransmission
oiltemperatureifsoequipped).Shutdownismandatoryforcrankcasepressure
(CCP).Withthisoptionenabled,theenginewillautomaticallyshutdownwithin
approximately30secondsaftertheredSHUTDOWNindicatorturnsonandthealarm
activates(providedthevehicleisnotmovingabovetheroadspeedthreshold).
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