Toro Air Cool Z Master 96in 74090 Quick start guide

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—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
Registeratwww.Toro.com.OriginalInstructions(EN)
PrintedintheUSA
AllRightsReserved*3433-858*A

ParkingbrakeToggleBetweenScreens
NeutralLock
*LocatedintoprowoftheInformationScreenEnter/Return
OperatorPresenceControl(OPC)Previous
MaximumEngineSpeedNext
EfcientEngineSpeedReset
LowEngineSpeedPlay/Start
TransmissionOilMaintenancePause/Stop
2

EngineOilTemperatureIncrease
EngineOilMaintenanceDecrease
Yes
No
*Locatedonbottomrowofsomemenuscreens
ProductOverview
g030387
Figure1
1.LDU(LogicDisplayUnit)3.Audiblealarm
2.MCU(MasterControlUnit)
g228164
Figure2
LDU(LogicDisplayUnit)
1.Screen3.Buttons
2.LEDstatuslight
3

Screen
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
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.
EngineScreens
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).
g257021
Figure4
1.Enginespeedmode4.Enginespeed
2.Safetyinterlockstatus
indicators
5.Fuellevelgauge(iffuel
senderisavailable)
3.Enginetemperature
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.
EngineTemperature
Abargraphdisplaystheenginetemperature.When
thetemperatureishighandapproachinganoverheat
condition,thebargraphashes.Whentheengine
hasoverheated,thebargraphllscompletely.
EngineSpeed
Displaysthespeedoftheengine.
FuelLevel(iffuelsenderisavailable)
Thefuellevelisshownonabardisplay.Anerror
appearswhenthefuellevelislow(approximately1
gallonremaininginthetank).
MenuSelectionScreen
TheMenuSelectionScreendisplayswhenyouplace
themotion-controlleversintheNEUTRAL-LOCKposition
andpressandholdthe2outsideLDUbuttons.
g228165
Figure5
1.Outsidebuttons2.Menuselectionscreen
TheMenuSelectionScreenallowsyoutocycle
throughthedifferentmenuoptionsbypressingthe
togglebutton.Whenthedesiredmenuoptionis
highlighted,presstheenterbuttontoselectit.
Note:Allmenuoptionsarelockedifthe
motion-controlleversarenotintheNEUTRAL-LOCK
position.
Pressandholdthe2outsidebuttonstoreturntothe
defaultscreen.
Themenuselectionscreenallowsyoutocycle
throughthefollowingscreens.
•MaintenanceandServiceMenu(page6)
•GaugesandMetersMenu(page8)
•AdvancedSettingsMenu(page10)
5