Toro Air Cool Z Master 96in 74090 Software Manual

FormNo.3433-858RevA

HorizonControlModule

For96inAirCoolZMaster®ProfessionalRidingMower

ModelNo.74090—SerialNo.400000000andUp

SoftwareGuide

Readthisinformationcarefullytolearnhowtooperateandmaintainyourproductproperlyandtoavoidinjury
andproductdamage.Youareresponsibleforoperatingtheproductproperlyandsafely.ReadyourOperator’s
Manualformoreinformation.

ScreenIcons

Theinformationscreenusesthefollowingicons:

GaugeandMetersProcessing

AdvancedSettingsLanguage

MaintenanceandServiceBatteryVoltage

FuelLevelEngineHours

PTOCancel/Exit

©2019—TheT oro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420

Registeratwww.Toro.com.

OriginalInstructions(EN)

PrintedintheUSA

AllRightsReserved

*3433-858*A

ParkingbrakeToggleBetweenScreens

NeutralLock

*LocatedintoprowoftheInformationScreen

OperatorPresenceControl(OPC)Previous

MaximumEngineSpeedNext

EfcientEngineSpeedReset

Enter/Return

LowEngineSpeedPlay/Start

TransmissionOilMaintenancePause/Stop

2

EngineOilTemperatureIncrease

EngineOilMaintenanceDecrease

No

ProductOverview

1.LDU(LogicDisplayUnit)

2.MCU(MasterControlUnit)

Yes

Figure1

3.Audiblealarm

*Locatedonbottomrowofsomemenuscreens

g030387

g228164

Figure2

LDU(LogicDisplayUnit)

1.Screen

2.LEDstatuslight

3

3.Buttons

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.

Alarm

Engine-OffScreen

Whenthekeyisonwithouttheenginerunning,the
Engine-Offscreendisplays(Figure3).

g030172

Figure3

1.Hoursremaininguntiltransmissionoilmaintenanceis
required

2.Batteryvoltagedisplay

3.Safetyinterlockstatusindicators

4.Fuel-levelgauge(iffuelsenderisavailable)

5.Screentogglesbetweenhoursremaininguntilengineoil
maintenanceandnon-resettableenginehourcounter

Engine-OnScreen

Whentheengineisrunning,theEngine-Onscreen
displays(Figure4).

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.

Figure4

1.Enginespeedmode4.Enginespeed

2.Safetyinterlockstatus
indicators

3.Enginetemperature

5.Fuellevelgauge(iffuel

g257021

senderisavailable)

4

EngineSpeedMode

3modesareavailable:LOW,EFFICIENT,andMAXIMUM.

•LOW:Lowtransportspeed/Lowidleforreducing

deckpackinginwetmowingconditions.

•EFFICIENT:Mediumtransportspeedandmaximum

fueleconomyandnormalmowingconditions.

•MAX:Maximumtransportspeed/Highidlefor

extrememowingconditions.

Thepanelilluminatesshowingthecurrentengine
speedmode(LowisselectedinFigure4).

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.

MenuSelectionScreen

TheMenuSelectionScreendisplayswhenyouplace
themotion-controlleversintheNEUTRAL-LOCKposition
andpressandholdthe2outsideLDUbuttons.

Figure5

1.Outsidebuttons

TheMenuSelectionScreenallowsyoutocycle
throughthedifferentmenuoptionsbypressingthe
togglebutton.Whenthedesiredmenuoptionis
highlighted,presstheenterbuttontoselectit.

Note:Allmenuoptionsarelockedifthe

motion-controlleversarenotintheNEUTRAL-LOCK
position.

Pressandholdthe2outsidebuttonstoreturntothe
defaultscreen.

Themenuselectionscreenallowsyoutocycle
throughthefollowingscreens.

2.Menuselectionscreen

g228165

EngineTemperature

Abargraphdisplaystheenginetemperature.When
thetemperatureishighandapproachinganoverheat
condition,thebargraphashes.Whentheengine
hasoverheated,thebargraphllscompletely.

EngineSpeed

Displaysthespeedoftheengine.

FuelLevel(iffuelsenderisavailable)

Thefuellevelisshownonabardisplay .Anerror
appearswhenthefuellevelislow(approximately1
gallonremaininginthetank).

•MaintenanceandServiceMenu(page6)

•GaugesandMetersMenu(page8)

•AdvancedSettingsMenu(page10)

5