How it Works
Toro
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74060
Operator's Manual
68 pgs20.78 Mb0
Operator's Manual
72 pgs5.05 Mb0
Operator's Manual [es]
76 pgs5.1 Mb0
Operator's Manual [fr]
76 pgs5.1 Mb0
Parts Catalogue
124 pgs4.71 Mb0
Setup Instructions
8 pgs1.38 Mb0
Setup Instructions
8 pgs324.55 Kb0
Software Guide
20 pgs4.56 Mb0
Software Guide [es]
24 pgs929.4 Kb0
Software Guide [fr]
24 pgs931.39 Kb0
Warranty
1 pgs5.92 Mb0
Table of contents
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Toro 74060, 74064, 74072, 74074, 74096 Software Guide

Download
FormNo.3418-249RevA
HorizonControlModule
ForZMasterLawnMowers
ModelNo.74060—SerialNo.400000000andUp
ModelNo.74064—SerialNo.400000000andUp
ModelNo.74072—SerialNo.400000000andUp
ModelNo.74074—SerialNo.400000000andUp
ModelNo.74096—SerialNo.400000000andUp
SoftwareGuide
WARNING
CALIFORNIA
Proposition65Warning
tocausecancer,birthdefects,orreproductiveharm.
Readthisinformationcarefullytolearnhowtooperateandmaintainyourproductproperlyandtoavoidinjury andproductdamage.Youareresponsibleforoperatingtheproductproperlyandsafely.ReadyourOperator’s Manualformoreinformation.

ScreenIcons

Theinformationscreenusesthefollowingicons:
GaugeandMeters
AdvancedSettings
MaintenanceandService
Transmission-OilMaintenance
Engine-OilTemperature
LowEngineSpeed
Processing
BatteryV oltage
EngineHours
©2017—TheToro®Company 8111LyndaleAvenueSouth Bloomington,MN55420
Registeratwww.T oro.com.
OriginalInstructions(EN)
PrintedintheUSA
AllRightsReserved
*3418-249*A
FuelLevel
PTO
Engine-OilMaintenance
No
*Locatedonbottomrowofsome
menuscreens
Cancel/Exit
ToggleBetweenScreens
ParkingBrake
NeutralLock
*LocatedintoprowofInformationScreen
OperatorPresenceControl(OPC)
MaxEngineSpeed
Yes
Decrease
Increase
Play/Start
Enter/Return
Previous
Next
Reset
EfcientEngineSpeed
Pause/Stop
ErrorWarning
2
Hydraulic-FluidTemperature
EngineDieselParticulateFilter
EngineGlowPlugsActive
EngineDPFRegeneration
Inactive/Failed/Interrupted
RecommendedEngineCooldownTime

ProductOverview

EngineDPFSootPercentage
Gearbox-OilMaintenance
ShutOffEngine
Figure1
1.LDU(LogicDisplayUnit)
2.Deck-liftswitch4.PTOengagementswitch
3.Keyswitch
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g228164
Figure2
LDU(LogicDisplayUnit)
1.Screen
2.LEDstatuslight
3.Buttons
3

Screen

EngineScreens

Thescreendisplaysiconsandinformationrelativeto machineoperationandisbacklitforviewinginlowlight situations.Thescreenislocatedabovethebuttons.
RefertotheScreenIcons(page1)sectionforicon descriptions.

LEDStatusLight

TheLEDstatuslightismulti-coloredtoindicatethe systemstatusandislocatedontherightsideofthe panel.Duringstartup,theLEDilluminatesredto orangetogreentoverifyfunctionality.
•SolidGreen:indicatesnormaloperatingactivity
•BlinkingRed:indicatesthatafaultisactive
•BlinkingGreenandOrange:indicatesthata
clutchresetisrequired

Buttons

Themulti-functionalbuttonsarelocatedatthebottom ofthepanel.Theiconsdisplayedontheinformation screenabovethebuttonsindicatethecurrentfunction. Thebuttonsallowyoutoselecttheenginespeedand navigatethroughsystemmenus.
Engine-OffScreen
Whenthekeyisonwithouttheenginerunning,the Engine-Offscreendisplays(Figure3).
g216582
Figure3
1.Thescreentogglesbetweenhoursremaininguntilthe nextrequiredtransmission-oilmaintenanceandgearbox maintenance(ifequipped).
2.Batteryvoltagedisplay
3.Safetyinterlockstatusindicators
4.Enginedieselparticulatelter(DPF)sootpercentage—The levelisshownonabardisplay .Thebargraphllsinas thesootpercentageincreases.Ahighsootpercentage indicatesthataDPFregenerationmaybeneeded.
5.Thescreentogglesbetweenhoursremaininguntil engine-oilmaintenanceandthenon-resettableenginehour counter.

Alarm

Ifanerroroccurs,anerrormessagedisplays,theLED turnsred,andthealarmsoundsaudiblyasfollows:
•Afastchirpsoundindicatescriticalerrors.
•Aslowchirpingsoundindicateslesscriticalerrors,
suchasrequiredmaintenanceorserviceintervals.
Note:Duringstartup,thealarmsoundsbrieyto
verifyfunctionality.

InformationScreens

Themaininformationscreensareasfollows:
•StartupScreen(page4)
•Engine-OffScreen(page4)
•Engine-OnScreen(page4)

StartupScreen

Duringstartup,thescreendisplaysastartupgraphic for1second,soundsthealarm,andilluminatesthe LED,changingfromredtoorangetogreen.
Engine-OnScreen
Whentheengineisrunning,theEngine-Onscreen displays(Figure4).
Figure4
1.Enginespeedmode
2.Hydraulic-uid temperature
3.Enginetemperature6.Recommendedengine
4.Safetyinterlockstatus indicators
5.Enginespeed
cooldowntime
g216584
4
EngineSpeedMode
3modesareavailable:LOW,EFFICIENT,andMAXIMUM.
•LOW:Lowtransportspeed/Lowidleforreducing
deckpackinginwetmowingconditions.
•EFFICIENT:Mediumtransportspeedandmaximum
fueleconomyandnormalmowingconditions.
•MAXIMUM:Maximumtransportspeed/Highidlefor
extrememowingconditions.
Thepanelilluminatesshowingthecurrentengine speedmode(LowisselectedinFigure4).
movestowardthebottomofthedisplayastheengine coolsandisemptywhenitissafetoshutoffthe engine.Ifyoushutofftheenginebeforethecooldown periodhasexpired,afaultisloggedinthehistorical faultlog.

EngineDieselParticulate Filter(DPF)Regeneration Screens

SafetyInterlockStatusIndicators
Theseilluminatewheneachcontrolisinthestarting position(i.e.,PTOdisengaged,parkingbrake engaged,motion-controlleversintheNEUTRAL-LOCK position,andtheoperatorispresent).
•ThePTOmustbedisengaged,brakeengaged,
andmotion-controlleversout(NEUTRAL-LOCK position)tostarttheengine.(Youdonotneedto beintheseattostarttheengine.)
Note:ThestartercrankswiththePTOswitchin
theON(pulledup)position;however,thesystem disengagesthePTOandaPTOreseterroroccurs. EngagingthePTOrequiresyoutoresetthePTO switchbyturningitOFF(pusheddown)andON.
•YoumustbeintheseatwhilethePTOisengaged,
theparkingbrakemustbedisengaged,orthe motion-controlleversmustbemovedinward; otherwise,theengineshutsoff.
•Theengineshutsoffifeithertheleft,theright,
orbothleversaremovedfromNEUTRAL-LOCK positionwhiletheparkingbrakeisengaged.
Note:RefertothemachineOperator’sManualto
checkthesafetyinterlocksystem.
EngineTemperature
Abargraphdisplaystheenginetemperature.When thetemperatureishighandapproachinganoverheat condition,thebargraphashes.Whentheengine hasoverheated,thebargraphllscompletely .
EngineSpeed
Displaysthespeedoftheengine.
FuelLevel(iffuelsenderisavailable)
Thefuellevelisshownonabardisplay.Anerror appearswhenthefuelleveldropstoapproximately
3.8L(1USgallon)remaininginthetank.
RecommendedEngineCooldownTime
CAUTION
Duringregeneration,thedieselparticulate lterbecomesextremelyhotandcancause seriousburns.
Keepyourbodyandhandsawayfromthe engineduringregeneration.
Thedieselparticulatelter(DPF)removesparticulate matterfromtheexhaustandpreventsitfrombeing dischargedintotheair.Astheparticulatescollect inthelter,theengineperformsaregenerationto preventclogginganddecreasedengineperformance. Mostregenerationsareperformedinthebackground anddonotimpactoperation.Thereare4modes formaintenance:passiveregeneration,auto regeneration,stationaryregeneration,andrecovery regeneration.
1.PassiveRegeneration
Thisistheprimarymoderegenerationthat occursautomaticallyduringnormaloperation. Whentheengineisrunningatnormalloads,the exhausttemperaturekeepstheDPFabovethe minimumtemperatureforregenerationsothat normalparticulatematter(PM)accumulationin theDPFisexpected.
2.AutoRegeneration
IftheengineECUsensesthattheDPF backpressurehasincreasedpastanacceptable threshold,anautoregenerationwilloccur. Duringtheautoregeneration,theintakethrottle valvelimitstheairowintotheenginewhile theinjectorsaddadditionalfuel.Thisprocess increasestheDPFtemperature,whichallows accumulatedparticulatetoburnoff.Theauto regenerationiscompletedwhenneeded.The machinecancontinuetobeusedduringanauto regeneration.
Thefollowingguresshowthescreensofthe autoregenerationprocess.
Therecommendedtimetoidletheenginebefore itshutsdownisshownonabardisplay .Thelevel
5
Figure5
g216606
Figure7
g216638
1.StartofAutoRegen
WhentheengineECUdeterminesthatanauto regenerationisneeded,thealarmchirpsandthe moduledisplaystheStartofAutoRegenscreen witha60-secondbargraphtimer(Figure5). Oncethetimerexpires,theautoregeneration processbegins.
Note:Noactionisrequiredandyoucan
continuetousethemachineduringtheauto regenerationprocess.
CAUTION
Duringtheautoregenerationprocess, theexhausttemperaturesriseandcould igniteammablematerials.
Usecautionifyouoperatethemachine aroundammablematerials.
Ifanautoregenerationisneededbutoperating conditionsdonotallowtheprocesstobegin, themodulepromptsyoutoincreasetheengine speedand/orload.
1.AutoRegenActive
Iftheregenerationisinterrupted,thefollowing screendisplays:
g216681
Figure8
1.RegenInterrupted
Note:Ifyoushutofftheengineduringthe
regenerationprocess,theprocessresumes whenyoustarttheengineanditreachesthe requiredtemperaturelevel.
3.StationaryRegeneration
Overtime,sootaccumulatesintheDPFanda passiveorautoregenerationisnotsufcient tounclogthelter.Duringthestationary regeneration,theengineECUcontrolsengine speed,load,andair/fuelmixturetoperforma controlledburnoftheparticulatecollectedinthe DPF.
Figure6
1.IncreaseRPM/Load
Whentheprocessbegins,thescreenchanges toindicatethattheautoregenerationprocess isactive.
Ifastationaryregenerationisrequired,it mayindicatethattheenginehasbeenidling excessivelyornotrununderasufcientload.If
g216605
multiplesuccessiveregenerationsarerequired, itmayindicatethattheDPFwillrequireservice soon,thatanengineproblemexists(e.g., incorrectenginefueloroil)orthataDPF pressuresensorisfailing.
Important:Astationaryregenerationcan
beinitiatedbytheengineECUorbyyou, theuser.YoucanmonitortheDPFsoot percentageontheEngine-OffScreenorin theMaintenanceandServiceMenu.Ifthe DPFSootpercentageishigh,youmayelect toinitiateamanualstationaryregeneration ontheDPFSootPercentagescreeninthe
6
MaintenanceandServiceMenubyselecting Yesattheprompt.
g216641
Figure11
1.StationaryRegenRequired
Figure9
1.DPFsootpercentage3.Previous
2.StartRegen
4.Next
Important:Duringastationaryregeneration,
ensurethatthemachineisparkedona hard,levelsurfaceinawell-ventilatedarea. Thisprocessrunsthemachineatahigher exhausttemperatureforapproximately30 minutestoburnoffcollectedparticulatein theDPF .
Note:Youcannotusethemachineduringa
stationaryregeneration.
WhentheengineECUdeterminesthata stationaryregenerationisrequired,themodule displaystheAllowStationaryRegen?prompt screen.SelectY(yes)tostartthestationary regenerationprocessorN(no)todelaythe process.
Ensurethatthemachinehasatleast1/4 tankoffuel.Disengagetheblades,movethe motion-controlleverstotheNEUTRAL-LOCK position,andengagetheparkingbrake.
g217322
Ifyoudonotperformastationary regenerationbeforethetimerexpires,the engineentersalimpmodeandtheengine ECUwillrequirearecoveryregenerationto beperformed.Whenthemoduleindicates thattheenginehasenteredlimpmode,the enginespeedand/orpowerisreducedandit preventsclutchengagement.
g216677
Figure12
1.EngineLimpModeActive
•IfyouselectY(yes),themodulepromptsyou
tostarttheregenerationprocess(Figure13).
Figure10
1.AllowStationaryRegen
2.Yes
3.No
•IfyouselectN(no),themoduledisplaysa
120-minutecountdownbargraphscreen.
g216675
Figure13
1.StartRegen
g216640
A.Shutofftheengineandwaitforall
movingpartstostop.Ensurethatthe machineisonalevelsurface.
B.Movethecontrolleverstotheneutral
lockpositionandengagetheparking brake.
Note:Disengagingtheparkingbrake
ormovingthemotion-controllevers fromtheNEUTRAL-LOCKpositionatany
7
1.Setbrakeandneutral
C.Ensurethatthebladesaredisengaged.
D.Ensurethatthemachinehasatleast1/4
E.SelectY(yes)fromtheStartRegen
timecancelstheprocessandprompts youtoengagetheparkingbrakeand movethemotion-controlleverstothe NEUTRAL-LOCKposition(Figure14).
Figure14
tankoffuel.
screentoconrmtheregeneration process(Figure15).
Oneof3outcomesresult:
–Complete—iftheprocesscompletes
successfully,themoduledisplaysthe RegenCompletescreen(Figure17). Itincludesa5-minutecountdownbar graph.
Note:Ifyoutakenoactionandthe
5-minutecountdowntimeronthescreen expires,theengineshutsoff.
g216674
g216679
Figure17
1.RegenComplete
–Interrupted—ifyouinterruptthe
process,themoduledisplaystheRegen Interruptedscreen(Figure18).
1.DPFSoot%
2.StartRegen?
Theregenerationprocessbeginsandthe moduledisplaystheRegenActivescreen (Figure16).Pressingthecancelbutton cancelstheprocess.
Ifyouinitiatedtheprocess,themodule exitstheprocess.Iftheprocesswas initiatedbytheengineECU,theECU placestheengineinlimpmodeand requestsarecoveryregeneration.
g217322
Figure15
3.Previous
4.Next
g216681
Figure18
1.RegenInterrupted
1.RegenActive
g216678
Figure16
2.Cancel
8
–Failed—iftheengineECUdetermines
thatarecoveryregenerationcannot becompleted,themoduledisplays theRegenFailed—SeeDealerscreen (Figure19).T akethemachinetoan AuthorizedServiceDealer.
Figure19
1.RegenFailed—SeeDealer

MenuSelectionScreen

TheMenuSelectionScreendisplayswhenyouplace themotion-controlleversintheNEUTRAL-LOCKposition andpressandholdthe2outsideLDUbuttons.
Themenuselectionscreenallowsyoutocycle throughthefollowingscreens.
•MaintenanceandServiceMenu(page9)
•GaugesandMetersMenu(page12)
•AdvancedSettingsMenu(page14)
g216680
g038651
Figure21
1.MaintenanceandService4.Cancel/Exit
2.GaugesandMeters
3.AdvancedSettings6.Enter/Return
5.Togglebetweenscreens

MaintenanceandServiceMenu

Youcanscrollbetweenthefollowingscreensinthe MaintenanceandServicemenu:
•StatusofInputs(page9)
•StatusofOutputs(page10)
•CurrentErrorMessages(page10)
•HydraulicTransOil(page10)
•EngineOil(page11)
•MachineInformation(page11)
•ModuleInformation(page11)
Figure20
1.Outsidebuttons
2.Menuselectionscreen
TheMenuSelectionScreenallowsyoutocycle throughthedifferentmenuoptionsbypressingthe togglebutton.Whenthedesiredmenuoptionis highlighted,presstheenterbuttontoselectit.
Note:Allmenuoptionsarelockedifthe
motion-controlleversarenotintheNEUTRAL-LOCK position.
Pressandholdthe2outsidebuttonstoreturntothe defaultscreen.
StatusofInputs
Thisscreenlistsalloftheinputstothesystemand highlightswhichiscurrentlyactive.Inputswith numericalvaluesdisplaythecurrentvalue.
g228165
g030183
Figure22
1.StatusofInputs
2.PTOSwitch
3.Neutral7.Togglebetweenscreens
4.OilPressure
9
5.Brake
6.Previous
8.Next
ThefollowingarealistofitemsavailableintheStatus ofInputsscreen:
•Systemvoltage
•Enginecommunication(highlightsifmoduleis
communicatingwithengineECU)
•PTOswitch(highlightsifpn)
•Fuelsendervoltage(showsvoltage)
•Neutralswitch(highlightsifon)
•Brakeswitch(highlightsifon)
•Seatswitch(highlightsifon)
•Oilpressureswitch(highlightsifon)
g030185
Figure24
1.CurrentError
2.Errordisplay(e.g.,LowOilPressure)
3.Enginehourswhentheerroroccurred
•Enginetemperature(showstemperature)
StatusofOutputs
Thisscreenlistsalloftheoutputsfromthesystem andhighlightswhichoneiscurrentlyactive.Outputs withnumericalvaluesdisplaythecurrentvalue.
Figure23
1.StatusofOutputs3.ClutchOutput
2.SpeedSignal
ThefollowingarealistofitemsavailableintheStatus ofOutputsscreen:
4.EnginePowertoRun
HydraulicTransOil
Thisservicereminderscreendisplaysthehoursuntil thehydraulictransmissionoilmaintenanceisdue.
g030186
Figure25
g038556
1.HydraulicTransOil
2.Reminderdisplay
3.Enginehoursremaininguntiltheserviceisdue
Pressthetogglebuttontoalsodisplaytheengine hoursatwhicheveryservicereminderresetwas performed.
•Enginespeedsignalshowsvoltagesignalsent
fromthesystemtotheengineECU(Engine ControlUnit).
•PTOoutput(highlightsifon)
•Engineshutdownoutput(highlightsifon)
•Modulecommunication(highlightsifLDUand
MCUarecommunicating)
•Alarm(highlightsifon)
•Starter(highlightsifon)
CurrentErrorMessages
Thisscreendisplaysthecurrenterrorastextwiththe enginehoursatwhichtheerroroccurred.Thetoggle buttonallowsyoutoscrollbetweenscreensifmultiple errorsareactive.Ifonly1erroroccurs,thetoggle buttondoesnotchangescreens.
g030187
Figure26
1.HydraulicTransOil
2.ServiceHistorydisplay
3.Servicereminderresetwasperformed(e.g.,250and750 enginehours)
10
EngineOil
MachineInformation
Thisservicereminderscreendisplaysthehoursuntil theengineoilmaintenanceisdue.
Figure27
1.EngineOil
2.Reminderdisplay
3.Enginehoursremaininguntiltheserviceisdue
Pressthetogglebuttontoalsodisplaytheengine hoursatwhicheveryservicereminderresetwas performed.
Thescreendisplaystheserialnumberandmodel numberofthemachine.
g030188
Figure30
1.MachineInformation3.Serialnumber
2.Modelnumber
g030190
ModuleInformation
Thescreendisplaysthecurrentinstalledversion ofsoftwareandhardwareforboththeLDU(Logic DisplayUnit)andtheMCU(MasterControlUnit). SelectthetogglebuttontoseetheMCUscreen.
Figure28
1.Engineoil
2.ServiceHistorydisplay
3.Servicereminderresetwasperformed(e.g.,250and750 enginehours)
DeckGearboxOil
ApplicableModelsOnly
ThisscreendisplaysthehoursuntiltheDeckGear BoxOilmaintenanceisdue.
Figure29
1.DeckGearBoxOil
2.Reminderdisplay
3.Enginehoursremaininguntiltheserviceisdue
g030189
g030191
Figure31
1.ModuleInformation4.SoftwareVersion
2.LDU5.Toggle
3.HardwareVersion
g030192
Figure32
1.ModuleInformation
2.MCU4.SoftwareVersion
g219156
3.HardwareVersion
Toexitthescreen,pressthepreviousornextarrow keys.Pressingtheenterbuttontakesyoubacktothe MenuSelectionscreen.
11
1.Exit
2.ExitMenu
Figure33
g030193
g030203
Figure35
3.Enter/Return
1.Reset
2.Areyousure?4.N(no)
3.Y(yes)

GaugesandMetersMenu

Youcanscrollbetweenthefollowingscreensinthe GaugesandMetersmenu:
•EngineHours(page12)
•PTOHours(page12)
•FuelUsed(page12)
•FuelEconomy(page13)
•TripStatistics(page13)
EngineHours
Thisscreendisplaysanon-resettable,totalengine hourcounterandresettabletripcounter.
Figure34
1.EngineHours3.Triphours
2.Totalhours4.Resettriphours
PTOHours
Thisscreendisplaysanon-resettable,totalPTOhour counterandaresettabletripPTOcounter.
g030204
Figure36
1.PTOHours
2.Totalhours4.Resettriphours
3.Triphours
ToresettheTriphourmeter,highlighttheTriphour meterandpresstheResetbutton;toconrmthe reset,pressY(yes)orN(no)tocancel(Figure35).
FuelUsed
g030202
ThisscreendisplaysthetotalUSgallons/litersoffuel usedfromthelasttimeitwasreset.Pressthereset buttontoresetthefuelusedcounter.
ToresettheTriphourmeter,highlighttheTriphour meterandpresstheResetbutton;toconrmthe reset,pressY(yes)orN(no)tocancel(Figure35).
g038362
Figure37
1.FuelUsed3.Reset
2.DisplaysUSgallons/liters used
12
FuelEconomy
ThisscreendisplaystheUSgallons/litersoffuelused perenginehour.
g038364
Figure40
Figure38
1.FuelEconomy
2.DisplaysUSgallons/liters perhour
TripStatistics
Thereare5tripstatisticsscreenstoscrollthoughand view.
Figure39
1.TripStatistics
Eachscreenfeaturesresettablecountersforthe followingparameters:EngineHours,PTOHours,and totalUSgallons/litersoffuelused.
Youcanpauseorstopthecollectionofstatistics andplayorstartthecollectionoftripstatistics. Forexample,whenTripStatistics1ispaused,the statisticsarehighlightedandtheresetbuttonis available.Pressingtheresetbuttonresetsall3 parameters.Pressingtheplaybuttonstartsdata collection.
2.Viewtripstatistics
1.TripStatistics14.DisplaysUSgallons/liters
g038363
2.Displaysenginehours
3.DisplaysPTOhours
offuel
5.Play/Start
6.Reset
Whenatripstatisticisplaying,thestatisticsarenot highlightedandtheresetbuttonisblackedoutand notavailable.Pressingthepausebuttonstopsthe collectionofdata.
g038365
g030207
1.TripStatistics44.DisplaysUSgallons/liters
2.Displaysenginehours
3.DisplaysPTOhours
Figure41
offuel
5.Pause/Stop
PressthetogglebuttonontheTripStatistics5screen togobacktothemainTripStatisticsscreen.
13

AdvancedSettingsMenu

Whentheadvancedsettingsmenuisselected,the modulepromptsyoufora4digitpasscode.The defaultdigitsonthedisplayscreenare0000.
Figure42
Pressingtheresetbuttonbringsupascreenaskingto conrmtheresetreminder.
HydraulicTransOil
Afterperformingthenecessarymaintenance,this screenallowsyoutoresetthenumberofhoursuntil thehydraulictransmissionoilserviceisdue.
g030221
1.Enterpassword
2.Activedigits5.Decrease
3.Increase
4.Enter/Return
Thepasscodeis1982.Whentheactivedigitis highlighted,presstheincreaseordecreasebuttonsto scrollthroughdigitsfrom0to9.Pressentertoselect thehighlighteddigit.
Ifyouentertheincorrectpassword,themoduletakes youbacktothemenuselectscreen.Whenthecorrect passwordisentered,youcanscrollbetweenthe followingscreens:
•EngineOil(page14)
•HydraulicTransOil(page14)
•HistoricalError(page14)
•Alarms(page15)
•EngineSettings(page15)
•CalibrateEngineSettings(page16)
•FactoryDefaults(page16)
EngineOil
Afterperformingthenecessarymaintenance,this screenallowsyoutoresetthenumberofhoursuntil theengineoilserviceisdue.
Figure44
1.HydraulicTransOil
2.Reminderdisplay4.Reset
3.Remaininghoursuntil service
Pressingtheresetbuttonbringsupascreenaskingto conrmtheresetreminder.
Everytimeyouresetthehydraulictransmissionoil servicereminder,themodulepromptsyoutoselect whetherthemachinewasservicedwithT oroPremium HydraulicOil.PressingY(yes)orN(no)determines thecorrectmaintenanceschedule.
HistoricalError
Thisscreendisplayserrorsthatarenolongeractive. Thelogkeepsarunningcountofthenumberoftimes theerrorhasoccurredduringthelifeofthemachine andtheenginehouratwhichthelastoccurred.The logdisplaystheerrorsstartingwiththemostrecent occurrence.
g030246
Figure43
1.EngineOil
2.Reminderdisplay4.Reset
3.Remaininghoursuntil service
g030224
Figure45
1.HistoricalError
g030245
2.Currenterror(e.g.LowOil Pressure)
14
3.Numberoftimestheerror occurredduringlifeof machine(e.g.,3X)
4.Enginehouratwhichthe errorlastoccurred
Alarms
•SystemVoltageLow
Thealarmsscreenallowsyoutoactivateand deactivatetheaudiblealarmforindividualerrors. PresstheEnterbuttontoaccessindividualerroralarm settings.
Note:Notallaudiblealarmscanbedeactivated.
Figure46
1.Alarms3.AudibleAlerts
2.Activate/Deactivate
Thehighlightederrornameindicatesthattheaudible alarmisactive.Pressingentermodiesthestatusof theaudiblealarmtoOnorOff.
4.Enter
•Anti-Stall
EngineSettings
Thisscreenallowsyoutoadjusttheenginespeed attheMaximum,Efcient,andLowsetpointsfor bothtransport(clutchdisengaged)andmow(clutch engaged)modesin50rpmincrements.
g030225
g030227
Figure48
1.EngineSettings2.AdjustEngineSpeeds
Pressingtheuparrowincreasestheenginespeed whilepressingthedownarrowdecreasestheengine speed.PressingtheEnterbuttonconrmsthe speedandautomaticallymovesyoutothenext screen/enginespeedsetpoint.
Figure47
1.Alarms4.Toggle
2.ClutchOvercurrent
3.FuelLow
5.Enter
Youcandeactivatetheaudiblewarningforthe followingerrors:
•ServiceAirFilter
•ServiceEngineOil
•ServiceTransmissionOil
•TransOverTemp
•ServiceGearBoxOil(asapplicable)
•FuelLow
•ClutchOvercurrent
•ClutchResetRequired
•EngineErrorCodes
•SystemOvervoltage>16VDC
g038366
g030228
Figure49
1.EngineSettings
2.SetLowMowSpeed
3.Enginespeedinrpm(e.g., 3,600rpm)
4.Uparrow—Increase
5.Enter
6.Downarrow—Decrease
Thesystemdoesnotallowthefollowingtooccur:
•Theefcientspeedcannotbesethigherthanthe
maximumspeed.
•Thelowspeedcannotbesethigherthanthe
efcientspeed.
Note:Youcansetthemaximumspeedequaltothe
efcientmowspeedtousetheefcientmodewhile mowing.
•SystemUndervoltage<9VDC
15
CalibrateEngineSettings
FactoryDefaults
Thisscreenallowsthecalibrationoftheactualengine speedtomatchthecommandedenginespeed. Theenterbuttonblacksoutifthebladesarenot disengaged,theparkingbrakeisnotengaged,and themotion-controlleversarenotintheNEUTRAL-LOCK position.Oncetheyare,presstheEnterbuttonto startthecalibrationprocess.
Figure50
1.CalibrateEngineSettings2.StartCalibration
Ananimatedhourglassappearsindicatingthe calibrationisinprocess.
Thisscreenallowsyoutoresetsystemsettingsback tothefactorydefaultsettings.PressingtheEnter buttonbringsupconrmationscreen;pressY(yes)to resetorN(no)tocancel.
Note:Resettingthesystemreturnstheenginespeed
settingsandalarmsettingsbacktothefactorydefault settings.
g030234
Figure53
1.FactoryDefaults
2.Reset
Whentheexitscreenappears,presstheenterbutton togobacktotheMenuSelectionscreen.
g030238
Figure51
1.CalibrateEngineSpeed
2.Calibrating
3.Processing
Oncethecalibrationiscomplete,youcantoggleback totheprimaryCalibrateEngineSpeedscreen.
Figure52
1.CalibrationEngineSpeed
2.CalibrationComplete
3.Togglebetweenscreens

ReturningtotheDefault Screen(Engine-Onor Engine-Off)

Thereare3waystoreturntothedefaultscreen:
g030235
•Pressthepreviousornextarrowkeysuntilthe
ExitscreenappearsthenpresstheEnterbuttonto returntotheMenuSelectionscreen.
•TurntheignitionkeytotheOFFpositionand
eitherrestarttheengineorturnthekeytotheON position.
•Pressandholdthe2outsidebuttons.

SettingEngineSpeeds

Atstartup,thesystemdefaultstotheLowengine speed.Theiconontheinformationscreenis highlighted.
•PressthebuttonbelowtheEfcientSpeedMode
icontoincreasetheenginespeedtotheEfcient
g030237
enginespeed.
TheEfcientSpeedModeiconishighlighted.
•PressthebuttonbelowtheMaximumSpeedMode
icontoincreasetheenginespeedtothemaximum enginespeed.
TheMaximumSpeedModeiconishighlighted.
Note:IfyouengagethePTOswitchatanyspeed
setting,theenginespeedncreasestothemowspeed.
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Adjustingthe Electronically-Controlled LowModeSpeed Adjustment

Whenoperatinginlowmowmode,pressandholdthe LowSpeedModebuttonreducetheenginespeed (minimumof2,250rpm).PresstheLowSpeedMode buttonagaintoreturntheenginetothedefaultsetting.

AutoIdleDownMode

Iftheoperatorleavestheseatandthesafetyinterlocks allowtheenginetoremainrunning,thesystementers theautoidlemodeandautomaticallysettheengine speedtothelowtransportspeed.Whenyoureturn totheseat,thesystemautomaticallyreturnstothe previouslyselectedenginespeedmode.Ifyouselect anotherenginespeedsetting,thesystemexitsthe autoidlemodeandtheenginerunsattheselected speed.

ErrorMessages

Ifanerroroccurs,amessagedisplaysinplaceofthe enginetemperature,enginespeed,andfuellevel.In additiontodisplayingthefaultastext,thesystem turnstheLEDredandsoundstheaudiblealarm.
•Thesystemiscapableofdisplayingthefollowing
errors:
–ServiceAirFilter:Anairlterisrequired.
–ServiceEngineOil:Engineoilmaintenance
isrequired.
–ServiceTransmissionOil:Transmissionoil
maintenanceisrequired.
–ServiceDeckGearboxOil(asapplicable):
Deckgearboxoilmaintenancerequired.
–LowOilPressure:Lowengine-oilpressureis
detected.
–FuelLow:Thefuellevelislow.
–EngineOverTemperature:Theengineover
temperatureisdetected.
–SystemOvervoltage>16VDC:Thesystem
voltageistoohigh(greaterthan16V).
–SystemUndervoltage<9VDC:Thesystem
voltageistoolow(greaterthan9V).
–ClutchOvercurrent:Thecuttingclutch
currentistoohigh.
–ClutchResetRequired:ThePTOswitch
mustbeturnedoffandtoactivatethePTO.
–EngineErrorCodes:Thesystemdisplays
engineerrorcodesprovidedbytheengine manufacturer.
–ClutchOutputFailure:Theclutchoutputis
openorshorted.
–SystemVoltageLow:Thevoltageistoolow
(lessthan12.3V).
–EngineCommunicationError:The
communicationbetweenengineandmodule waslost.
–ModuleCommunicationError:The
communicationbetweentheLDUandMCU moduleswaslost.
–Anti-StallActive:Themowerdeckhasbeen
disengagedinordertopreventtheenginefrom stalling.
–EngineLimpModeActive:TheengineECU
hasplacedtheengineintolimpmode,which maylimittheenginespeedand/ordecrease theenginepower.Asaresult,themodule disengagestheclutch.
•Youcanacknowledgeandsilencesomeofthe
errorslistedabove.Movethemotion-control leverstotheNEUTRAL-LOCKpositionandpress andholdthemiddlebutton.
Acknowledginganerrorremovestheerror messagefromtheenginetemperature,engine speed,orfuelleveliconareaandsilencethe audiblealarm.However,theerrorcontinues todisplayontheactiveerrorscreeninthe MaintenanceandServiceMenuandthestatus LEDcontinuestobeilluminatedred.
–Thefollowingerrorsemitaslowchirpingsound
thatyoucanacknowledgeandsilence:
◊ServiceEngineOil ◊ServiceTransmissionOil ◊FuelLow ◊ClutchOvercurrent ◊ClutchResetRequired ◊EngineErrorCodes ◊Anti-StallActive ◊ServiceAirFilter ◊ServiceDeckGearBox
–Thefollowingerrorsemitafastchirpingsound
andcanbeacknowledgedandsilenced:
◊SystemOvervoltage>16VDC ◊SystemUndervoltage<9VDC
–Thefollowingerrorcodesemitafastchirping
soundandcannotbeacknowledgedor silenced.
◊LowOilPressure ◊EngineOverTemperature
17
◊EngineCommunicationError
◊ModuleCommunicationError
◊ClutchOutputFailure
◊EngineLimpModeActive
•Inordertoprotectthesystemcomponentsfrom
exceedingthresholdlimits,thesystemlimitsthe enginespeedand/ordisengagestheclutch,which allowsyoutodrivethemachineontoatraileror returntoaservicearea.
Thesearethefollowingerrorsthatmayoccur:
1.ClutchOvercurrent
Ifanovercurrenteventoccurs,thesystem limitstheenginespeedtotheEfcient TransportModespeedandplacesthe machineinSafeTransportMode.Safe TransportModelimitstheenginespeed, locksoutthePTO,anddisengagesthe clutch;aClutchOvercurrenterrormessage willdisplay.CyclingthekeyswitchtotheOFF andthentotheONpositionclearsthefault.
2.SystemOvervoltage>16VDC
Ifthevoltageexceeds16V,thesystemwill disengagetheclutchanddisplaysaSystem Overvoltage>16VDCerrormessage.
theclutch;anEngineOverT emperature messagedisplays.Thefaultclearsoncethe temperaturefallsbelowasafelimit.
6.TransmissionOverTemperature
Whenthetransmissionbeginstooverheat, thesystemashesthetransmission temperaturebargraphandchirpstheaudible alarm.Ifthetemperaturerisesabovethe upperlimit,thesystemlimitstheengine speedtotheEfcientTransportModespeed andplacesthemachineinSafeTransport Mode.SafeTransportModelimitstheengine speed,locksoutthePTO,anddisengages theclutch;aTransmissionOverT emperature messagedisplays.Thefaultclearsoncethe temperaturefallsbelowasafelimit.
7.EngineLimpModeActive
IftheengineECUdeterminesthata signicantengineissuehasoccurredorthat theDPFrequiresaRecoveryRegeneration, itplacestheengineinalimporbackup modewhereenginespeedand/ordecrease enginepower.Inordertoprotectthesystem components,themodulelocksoutthePTO anddisplaytheEngineLimpModeActive message.
3.SystemUndervoltage<9VDC
Ifthevoltageislessthan9V ,thesystem willnotallowclutchengagementanddisplay theerrorSystemUndervoltage<9VDC.If theclutchwasengagedbeforetheerror occurred,thesystemallowstheclutchto remainengaged;however,lowvoltagemay causetheclutchtodisengageitself.
4.LowOilPressure
Iflowengine-oilpressureisdetected,the systemlimitsenginespeedtotheEfcient TransportModespeedandplacesthe machineinSafeTransportMode.Safe TransportModelimitstheenginespeed, locksoutthePTO,anddisengagesthe clutch;aLowOilPressuremessagewill display.CyclingthekeyswitchtotheOFF andthentotheONpositionclearsthefault.
5.EngineOverTemperature
Whentheenginebeginstooverheat,the systemashestheenginetemperature bargraphandchirpstheaudiblealarm. Ifthetemperaturerisesabovetheupper limit,thesystemlimitstheenginespeed totheEfcientTransportModespeedand placesthemachineinSafeTransportMode. SafeTransportModelimitstheengine speed,locksoutthePTO,anddisengages
18

Troubleshooting

SystemErrorMessageStatusLEDSystemActions
ServicetheEngineOil
Servicethe TransmissionOil
LowOilPressure
EngineOver Temperature
FuelLowBlinkRed
SystemOvervoltage >16VDC
BlinkRed
BlinkRed
BlinkRed
Green
BlinkRed
BlinkRed
SafeTransport Mode—enginelimited toEfcientmodeandthe PTOisdisengaged.
Singlealarmchirpand enginetemperature displayashes.
SafeTransport Mode—enginelimited toEfcientmodeandthe PTOisdisengaged.
Disallowclutch engagement/Disengage theclutch.
IssueDescription
Theengineoilservice isdue.
Thetransmissionoil serviceisdue.
Theengine-oil pressureisbelow limit.
Theengine temperatureishigh.
Theengine temperatureisabove limit.
Thefuellevelislow .
Thesystemvoltageis excessive(above16 V).
RecommendedCorrectiveAction
Replacetheengineoilandlter. Followtheresetprocedure;referto
EngineOil(page14).
Replacethetransmissionoiland lter(s).Followtheresetprocedure; refertoHydraulicTransOil(page14).
Cyclethekeyswitchtoclearthe fault.Checktheoillevel.Contactan AuthorizedServiceDealer.
Checktheoillevel.Cleandebrisfrom theengine.Inspecttheenginefan. ContactanAuthorizedServiceDealer.
Checktheoillevel.Cleandebrisfrom theengine.Inspecttheenginefan. ContactanAuthorizedServiceDealer.
Checkthefuellevelandaddfuelas necessary.
Checkthebatteryandengine chargingsystem.Contactan AuthorizedServiceDealer.
SystemV oltageLow
SystemUnder voltage<9VDC
ClutchOvercurrent
ClutchResetRequired
ClutchOutputFault
EngineMILErrorsBlinkRed
Engine CommunicationError
Module CommunicationError
BlinkRed
BlinkRed
BlinkRed
Alternating green/orange
BlinkRed
BlinkRed
BlinkRed
Disallowclutch engagement/Disengage clutch.
SafeTransport Mode—enginelimited toEfcientmodeandthe PTOisdisengaged.
SafeTransport Mode—enginelimited toEfcientmodeandthe PTOisdisengaged.
Systemvoltagebelow
12.3V.
Thesystemvoltageis belowthelowerlimit of9V .
Theclutchcurrentis abovethelimit.
ThePTOswitchis engagedandthe modulehaslatched theclutchoutputOff.
Theclutchoutputhas ashortorisopen.
TheECUhasdetected afault.
Thecommunication betweenthemodule andtheengineECU hasbeenlost.
Thecommunication betweentheLDU moduleandMCU modulehasbeenlost.
Checkthebatteryandengine chargingsystem.Contactan AuthorizedServiceDealer.
Checkthebatteryandengine chargingsystem.Contactan AuthorizedServiceDealer.
Cyclethekeyswitchtoclearthe fault.CheckthePTOclutchcondition andtherelatedwiring.Contactan AuthorizedServiceDealer.
CyclethePTOswitchtotheOFF positionandbacktotheONposition toengagetheclutch.
IftheclutchisstuckintheONposition, discontinueuseandcontactan AuthorizedServiceDealer.Check theclutchconnectionandassociated wiringforanopencircuit.
Seetheengineowner’smanualforthe errordescriptionandtroubleshooting information.
Checktheelectricalconnectionsat themodule,interconnectbetween theenginewireharness,andchassis harness.Checktheconnections attheengineECU.Contactan AuthorizedServiceDealer.
Checktheelectricalconnectionsat theLDUandMCUmodule.
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