Toro 74946, 74947, 74969 Software Guide

FormNo.3417-740RevA

HorizonControlModule

ForZMasterLawnMowers

ModelNo.74946—SerialNo.402000000andUp

ModelNo.74947—SerialNo.40200000andUp

ModelNo.74969—SerialNo.400000000andUp

SoftwareGuide

Readthisinformationcarefullytolearnhowtooperateandmaintainyourproductproperlyandtoavoidinjury
andproductdamage.Youareresponsibleforoperatingtheproductproperlyandsafely.ReadyourOperator’s
Manualformoreinformation.

WARNING

CALIFORNIA

Proposition65Warning

ThisproductcontainsachemicalorchemicalsknowntotheStateofCalifornia

tocausecancer,birthdefects,orreproductiveharm.

ScreenIcons

Theinformationscreenusesthefollowingicons:

GaugeandMeters

AdvancedSettings

MaintenanceandService

TransmissionOilMaintenance

Engine-OilTemperature

LowEngineSpeed

Processing

BatteryV oltage

EngineHours

©2017—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420

FuelLevel

Registeratwww.Toro.com.

EngineOilMaintenance

OriginalInstructions(EN)

PrintedintheUSA

AllRightsReserved

Cancel/Exit

*3417-740*A

No

PTO

*Locatedonbottomrowofsome

menuscreens

ToggleBetweenScreens

Parkingbrake

NeutralLock

*LocatedintoprowofInformationScreen

OPC(OperatorPresenceControl)

MaximumEngineSpeed

Yes

Decrease

Increase

Play/Start

Enter/Return

Previous

Next

Reset

EfcientEngineSpeed

Hydraulic-FluidTemperature

Pause/Stop

RecommendedEngineCoolDownTime

2

ErrorWarning

ShutOffEngine

ProductOverview

1.LDU(LogicDisplayUnit)

2.MCU(MasterControlUnit)

Figure1

LEDStatusLight

TheLEDstatuslightismulti-coloredtoindicatethe
systemstatusandislocatedontherightsideofthe
panel.Duringstartup,theLEDilluminatesred,then
orange,thengreentoverifyfunctionality.

•SolidGreen:indicatesnormaloperatingactivity.

•BlinkingRed:indicatesthatafaultisactive.

•BlinkingGreenandOrange:indicatesthata

clutchresetisrequired.

Buttons

g229466

3.Alarm

Themulti-functionalbuttonsarelocatedatthebottom
ofthepanel.Theiconsdisplayedontheinformation
screenabovethebuttonsindicatethecurrentfunction.
Thebuttonsallowyoutoselecttheenginespeedand
navigatethroughsystemmenus.

Alarm

Ifanerroroccurs,anerrormessagedisplays,theLED
turnsred,andthealarmsoundsaudiblyasfollows:

1.Screen

2.LEDstatuslight

Screen

Figure2

LDU(LogicDisplayUnit)

•Afastchirpsoundindicatescriticalerrors.

•Aslowchirpingsoundindicateslesscriticalerrors,

suchasrequiredmaintenanceorserviceintervals.

Note:Duringstartup,thealarmsoundsbrieyto

verifyfunctionality.

InformationScreens

Themaininformationscreensareasfollows:

•StartupScreen(page3)

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3.Buttons

•Engine-OffScreen(page4)

•Engine-OnScreen(page4)

StartupScreen

Duringstartup,thescreendisplaysastartupgraphic
for1second,soundsthealarm,andilluminatesthe
LED,changingfromredtoorangetogreen.

Thescreendisplaysiconsandinformationrelativeto
machineoperationandisbacklitforviewinginlowlight
situations.Thescreenislocatedabovethebuttons.

RefertotheScreenIcons(page1)sectionforicon
descriptions.

3

EngineScreens

Engine-OffScreen

Whenthekeyisonwithouttheenginerunning,the
Engine-Offscreendisplays(Figure3).

EngineSpeedMode

3modesareavailable:LOW,EFFICIENT,andMAXIMUM.

•LOW:Lowtransportspeed/Lowidleforreducing

deckpackinginwetmowingconditions.

•EFFICIENT:Mediumtransportspeedandmaximum

fueleconomyandnormalmowingconditions.

•MAX:Maximumtransportspeed/Highidlefor

extrememowingconditions.

Thepanelilluminatesshowingthecurrentengine
speedmode(LowisselectedinFigure4).

Figure3

1.Hoursremaininguntiltransmissionuidmaintenanceis
required

2.Batteryvoltagedisplay

3.Safetyinterlockstatusindicators

4.Fuel-levelgauge(iffuelsenderisavailable)

5.Screentogglesbetweenhoursremaininguntilengineoil
maintenanceandnon-resettableenginehourcounter

Engine-OnScreen

Whentheengineisrunning,theEngine-Onscreen
displays(Figure4).

g030172

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.

Figure4

1.Enginespeedmode4.Enginespeed

2.Safetyinterlockstatus
indicators

3.Enginetemperature

5.Fuellevelgauge(iffuel

Note:RefertothemachineOperator’sManualto

checkthesafetyinterlocksystem.

g030173

EngineTemperature

Abargraphdisplaystheenginetemperature.When
thetemperatureishighandapproachinganoverheat

senderisavailable)

condition,thebargraphashes.Whentheengine
hasoverheated,thebargraphllscompletely .

EngineSpeed

Displaysthespeedoftheengine.

FuelLevel(iffuelsenderisavailable)

Thefuellevelisshownonabardisplay.Anerror
appearswhenthefuellevelislow(approximately1
gallonremaininginthetank).

4

MenuSelectionScreen

TheMenuSelectionScreendisplayswhenyouplace
themotion-controlleversintheNEUTRAL-LOCKposition
andpressandholdthe2outsideLDUbuttons.

Figure5

1.Outsidebuttons

TheMenuSelectionScreenallowsyoutocycle
throughthedifferentmenuoptionsbypressingthe
togglebutton.Whenthedesiredmenuoptionis
highlighted,presstheenterbuttontoselectit.

Note:Allmenuoptionsarelockedifthe

motion-controlleversarenotintheNEUTRAL-LOCK
position.

2.Menuselectionscreen

g038651

Figure6

1.MaintenanceandService4.Cancel/Exit

2.GaugesandMeters

3.AdvancedSettings6.Enter/Return

5.Togglebetweenscreens

MaintenanceandServiceMenu

Youcanscrollbetweenthefollowingscreensinthe
MaintenanceandServicemenu:

•StatusofInputs(page5)

•StatusofOutputs(page6)

g228165

•CurrentErrorMessages(page6)

•HydraulicTransOil(page6)

•EngineOil(page7)

•MachineInformation(page7)

•ModuleInformation(page7)

StatusofInputs

Thisscreenlistsalloftheinputstothesystemand
highlightswhichiscurrentlyactive.Inputswith
numericalvaluesdisplaythecurrentvalue.

Pressandholdthe2outsidebuttonstoreturntothe
defaultscreen.

Themenuselectionscreenallowsyoutocycle
throughthefollowingscreens.

•MaintenanceandServiceMenu(page5)

•GaugesandMetersMenu(page8)

•AdvancedSettingsMenu(page10)

Figure7

1.StatusofInputs

2.PTOSwitch

3.Neutral7.Togglebetweenscreens

4.OilPressure

5.Brake

6.Previous

8.Next

ThefollowingarealistofitemsavailableintheStatus
ofInputsscreen:

•Systemvoltage

•Enginecommunication(highlightsifmoduleis

communicatingwithengineECU)

•PTOswitch(highlightsifOn)

g030183

5