Toro 74904, 74906, 74915, 74918, 74926 Software Guide

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ZSmartHourMeter

ForZMasterLawnMowers

ModelNo.74904—SerialNo.402090000andUp

ModelNo.74906—SerialNo.402090000andUp

ModelNo.74915—SerialNo.402100000andUp

ModelNo.74918—SerialNo.402090000andUp

ModelNo.74926—SerialNo.402090000andUp

ModelNo.74928—SerialNo.402090000andUp

ModelNo.74930—SerialNo.402090000andUp

ModelNo.74933—SerialNo.401000000andUp

ModelNo.74934—SerialNo.401000000andUp

ModelNo.74943—SerialNo.402100000andUp

ModelNo.74945—SerialNo.401800000andUp

ModelNo.75951—SerialNo.402100000andUp

ModelNo.75955—SerialNo.402090000andUp

ModelNo.78926—SerialNo.402090000andUp

ModelNo.78928—SerialNo.402090000andUp

FormNo.3417-746RevB

SoftwareGuide

Readthisinformationcarefullytolearnhowtooperateandmaintainyourproductproperlyandtoavoidinjury andproductdamage.Y ouareresponsibleforoperatingtheproductproperlyandsafely.ReadyourOperator’s Manualformoreinformation.

Thehourmetermonitorsenginetemperature,oilpressure,andtheoverallelectricalsystem.Italsodisplays machinehours,safety-interlockstatus,fuellevel,andmaintenancereminders.

Registeratwww.Toro.com.

OriginalInstructions(EN)

PrintedintheUSA

AllRightsReserved

*3417-746*B

ScreenIcons

Thescreenusesthefollowingicons:

PTOParkingBrake

OperatorPresenceControl(OPC)

HourMeter

CheckEngineErrorVoltageError

BatteryV oltage

Transmission-FluidMaintenanceEngine-OilMaintenance

NeutralLock

FuelLevel

PowertoRunError

LowEngine-OilPressureError

CheckFaultError

ClutchErrorClutchResetRequired

ProductOverview

Controls

InformationScreen

Theinformationscreendisplaysiconsandinformation relativetomachineoperation.

LEDStatusLight

TheLEDismulti-coloredtoindicatethesystemstatus andislocatedontherightsideofthepanel.

•SolidGreen—indicatesnormaloperatingactivity.

•BlinkingRed—indicatesafaultisactive.

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Figure1

ModelswithFuelSender

•BlinkingGreenandOrange—indicatesaclutch

resetisrequired.

•SolidRed—indicatesmaintenanceisrequired.

1.Screen

2.LEDstatuslight

InformationScreens

Themaininformationscreensareasfollows:

•StartupScreens(page3)

•PTOHourMeterScreen(page5)

•BatteryVoltageScreen(page5)

•FuelMeterScreen(page5)

•HourMeterScreen(page5)

•DefaultScreen(page5)

•MaintenanceRemindersandAlerts(page6)

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Figure2

ModelswithoutFuelSender

1.Screen

2.LEDstatuslight

StartupScreens

WhenthekeyisintheRUNposition,thescreens (Figure3)displayforapproximately2seconds.The LEDstatuslightchangesfromredtoorangetogreen.

Figure3

StartupScreen

1.Firmwareversion

2.PTOhours

3.Batteryvoltage

4.Hoursuntilengine-oilmaintenanceisrequired

5.Hoursuntiltransmission-oilmaintenanceisrequired

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PTOHourMeterScreen

HourMeterScreen

ThisdisplaysthenumberofhoursthatthePTOhas beenengaged(Figure4).

Figure4

BatteryVoltageScreen

Thisscreendisplaysthecurrentbatteryvoltage (Figure5).

Thehourmeterrecordshourswhenthehourmeter symbolashes.

Hoursdisplaywhenthemachineisofforwhenthe machineisrunning.Thedisplayturnsoffafter5 minutes.

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Figure7

Hourmeterwithoutafuelsender

DefaultScreen

Afterthestartupscreensdisplay,thedefaultscreen displays(Figure8).

Figure5

FuelMeterScreen

Ifthemachineisequippedwithafuelsender,thefuel leveldisplaysinthesamepanelasthehourmeter andisshownasan8-segmentbar(Figure6).

Eightsolidbarsindicatesafullfueltank.

Figure6

Fuelmeterandhourmeter

1.Hourmeter2.Fuellevel

Thesafety-interlockindicatorsilluminatewhen eachcontrolmeetstheSAFETOST ARTmode(PTO disengaged,parkingbrakeengaged,motion-control leversintheNEUTRAL-LOCKposition,andoperator

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present).

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Figure8

1.Safety-interlockindicators

2.Hourmeter

3.Fuellevel(ifequipped)

•YoumusthavethePTOdisengaged,theparking

brakeengaged,andthemotion-controlleversin

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theNEUTRAL-LOCKpositiontostarttheengine.

Note:Youdonotneedtobeintheseattostart

theengine.

Note:Themoduleallowstheenginetostartwith

thePTOswitchengaged;however,thesystem willdisengagethePTOandaPTOreseterrorwill

occur.EngagingthePTOrequiresyoutoresetthe PTOswitchbydisengagingit,thenengagingit.

•YoumustbeintheseatwhenthePTOis

engaged,theparkingbrakeisdisengaged,orthe motion-controlleversaremovedin;otherwise,the engineshutsoff.

•Theengineshutsoffifeithertheleft,right,orboth

leversmovefromtheNEUTRAL-LOCKpositionwhile theparkingbrakeisengaged.

•Ifthemowerisequippedwithafuelsender,the

defaultscreenshowninFigure8willdisplay.

•Ifthemowerisnotequippedwithafuelsender,

onlythesafety-interlockindicatorsandthehour meterwilldisplayasshowninFigure9.

Thereare2maintenancereminders:

•ServiceEngine

Theengineoilserviceremindercountsdownfrom theinitialbreak-inserviceintervalof5engine hoursandthencountsdownfrom100hoursfor eachserviceintervalthereafter.

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Figure10

•ServiceTransmission

Thetransmissionuidmaintenancereminder countsdownfromtheinitialbreak-inservice intervalof250enginehoursandthencountsdown from500hoursforeachserviceintervalthereafter.

Figure9

1.Safety-interlockindicators

2.Hourmeter

MaintenanceRemindersand Alerts

Thehourmeterdisplaysthenumberofengine hoursuntileithertheengineoilortransmission-uid maintenanceisdue.Thereminderashesandthe LEDdisplaysasolid,redlight.

Analertoccurswhenthehourcounterhasreached zero.Ifyoudonotperformthemaintenance,thetime recordsasnegativehourstoindicatethenumber ofhourspastdueformaintenance(upto-100.0 hours);refertoFigure10andFigure11.Thehour meterswitchesbetweenthedefaultscreenandthe activealertscreen.Ifmorethan1alertisactive,the displaycyclesbetweenthealertsintheorderthatthey occurredbeforecyclingbacktothedefaultscreen.

Thealertsdisplayonlyafterthedefaultscreenhas beenactivefor2seconds;however,ifthekeymoves totheSTARTposition,thealertsoccurimmediately.

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Figure11

Maintenancereminderscanberesetmanually.

•Youcanentertheengineservicereminderreset

modebycyclingthekeyswitchbetweentheRUN positionandOFFposition4timeswithin8seconds, withallthesafetyinterlocksintheSAFEposition.

WhentheServiceEnginescreendisplaysand ashes,youcanresettheengineoilmaintenance reminderbycyclingeither1orbothmotion-control leversfromtheNEUTRAL-LOCKpositiontothe NEUTRALposition,andbacktotheNEUTRAL-LOCK position.Oncethereminderresets,thescreen exitstheServiceEnginescreenandreturnsto thedefaultscreen.

YoucanexittheServiceEnginescreenatany timebyturningthekeytoeithertheOFForSTART position.

•Youcanenterthetransmissionuidmaintenance

reminderresetmodebycyclingthekeyswitch fromtheRUNpositiontotheOFFpositionandback

totheRUNposition6timeswithin8seconds,with allthesafetyinterlocksintheSAFEposition.

WhentheServiceTransmissionscreendisplays andashes,youcanresetthetransmissionuid maintenancereminderbycyclingeither1orboth motion-controlleversfromtheNEUTRAL-LOCK positiontotheNEUTRALposition,andbacktothe NEUTRAL-LOCKposition.

YoucanexittheServiceTransmissionscreen atanytimebyturningthekeytoeithertheOFF orSTARTposition.

•PowertoRunOutputOver-CurrentError

Ifanover-currentoccurs,thenumber“2”displays inthelower,leftcornerofthescreen.TheLED ashesaredlight.

AlertsandErrorMessages

Thesystemiscapableofdisplayingthefollowing errors:

•VoltageError

Whenthekey-runvoltageislessthan12.3Vor greaterthan16V,avoltageerrorashes.The LEDashesaredlight.

Figure12

•LowFuelLevelError

Ifthefuelsenderisinstalled,anerrorappears whenthefuellevelis1/8orless.TheLEDashes aredlightandthefuel-levelsymbolonthedefault screenashes.

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Figure14

1.Number“2”displays

•EngineOverTemperatureError

Thisoccursifanengineovertemperatureis detected.Checktheengineoilandcleandebris fromtheengine.TheLEDashesaredlightand theclutchdisengages.

Afteryouresolvetheissuethatcausedtheerror, themoduledisplaystheClutchResetRequired alerttoindicatethatyoumustdisengagethePTO switchandthenengageit.

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Figure15

Figure13

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•Low-OilPressureError

•ClutchOver-CurrentError

Thisoccurswhenlow-oilpressureisdetected. ChecktheengineoilandcontactanAuthorized ServiceDealer.TheLEDashesaredlightand theclutchdisengages.

Afteryouresolvetheissuethatcausedtheerror, themoduledisplaystheClutchResetRequired alerttoindicatethatyoumustdisengagethePTO switchandthenengageit.

Figure16

•ClutchOpenError

Iftheclutchoutputdisconnects,thenumber“6” displaysinthelower,leftcornerofthescreen.The LEDashesaredlight.

Ifthecurrentdrawontheclutchoutputisexcessive ortheoutputcircuitoverheats,thenumber“2” displaysinthelower,leftcornerofthescreen. CheckthePTOclutchandinspectfordamageand wear.TheLEDashesaredlight.

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Figure18

1.Number“2”displays

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•ClutchResetRequired

IfthePTOswitchisengagedandthemodule disengages,theclutch-outputerrordisplays.The LEDlightilluminatesgreen,thenorange.You mustthendisengagethePTOswitchandthen engageit.

1.Number“6”displays

Figure17

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Figure19

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•Check-EngineError

Ifanenginefaultoccurs,thesystemdisplaysthe CheckEnginealertandashesaredlight.T o retrievethespecicfault(s),followthekeycycle procedureprovidedintheengineowner’smanual.

Ifmorethan1erroroccurs,thedisplayalternates betweencodes.Inordertodisplaythediagnostic codes,youmustcyclethekeyswitch2times betweentheONandOFFpositions,thentotheON position,butdonotstarttheengine.

Figure20

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Figure21

•CheckFaultError

ThesystemdisplaystheCheckFaultalertand theLEDashesredwhenanerrorisdetectedby anoptionalswitch.

Figure22

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Notes: