ZMaster
®
Professional5000or6000SeriesRiding
Mower
with48in,52in,60in,or72inTURBOFORCE
ModelNo.72904—SerialNo.400000000andUp
ModelNo.72906—SerialNo.400000000andUp
ModelNo.72911—SerialNo.400000000andUp
ModelNo.72912—SerialNo.400000000andUp
ModelNo.72915—SerialNo.400000000andUp
ModelNo.72918—SerialNo.400000000andUp
ModelNo.72921—SerialNo.400000000andUp
ModelNo.72922—SerialNo.400000000andUp
ModelNo.72926—SerialNo.400000000andUp
ModelNo.72928—SerialNo.400000000andUp
ModelNo.72930—SerialNo.400000000andUp
ModelNo.72943—SerialNo.400000000andUp
ModelNo.72945—SerialNo.400000000andUp
ModelNo.72951—SerialNo.400000000andUp
ModelNo.72955—SerialNo.400000000andUp
ModelNo.72980—SerialNo.400000000andUp
ModelNo.72982—SerialNo.400000000andUp
FormNo.3433-925RevC
®
Mower
SoftwareGuide
Readthisinformationcarefullytolearnhowtooperateandmaintainyourproductproperlyandtoavoidinjury
andproductdamage.Youareresponsibleforoperatingtheproductproperlyandsafely .ReadyourOperator’s
Manual formoreinformation.
Thehourmetermonitorsenginetemperature,oilpressure,andtheoverallelectricalsystem.Italsodisplays
machinehours,safety-interlockstatus,fuellevel,andmaintenancereminders.
©2021—TheT oro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420Registeratwww.T oro.com.
OriginalInstructions(EN)
PrintedintheUSA
AllRightsReserved
*3433-925*
ScreenIcons
Thescreenusesthefollowingicons:
PTO ParkingBrake
OperatorPresenceControl(OPC)
HourMeter
CheckEngineError VoltageError
BatteryV oltage
Transmission-FluidMaintenance Engine-OilMaintenance
NeutralLock
FuelLevel
PowertoRunError
LowEngine-OilPressureError
CheckFaultError
ClutchError ClutchResetRequired
2
ProductOverview
Controls
InformationScreen
Theinformationscreendisplaysiconsandinformation
relativetomachineoperation.
LEDStatusLight
TheLEDismulti-coloredtoindicatethesystemstatus
andislocatedontherightsideofthepanel.
•SolidGreen—indicatesnormaloperatingactivity.
•BlinkingRed—indicatesafaultisactive.
g031090
Figure1
ModelswithFuelSender
•BlinkingGreenandOrange—indicatesaclutch
resetisrequired.
•SolidRed—indicatesmaintenanceisrequired.
1.Screen
2.LEDstatuslight
InformationScreens
Themaininformationscreensareasfollows:
•StartupScreens(page3)
•PTOHourMeterScreen(page5)
•BatteryVoltageScreen(page5)
•FuelMeterScreen(page5)
•HourMeterScreen(page5)
•DefaultScreen(page6)
•MaintenanceRemindersandAlerts(page7)
g037701
Figure2
ModelswithoutFuelSender
1.Screen
2.LEDstatuslight
•ManuallyResettingMaintenanceReminders
(page8)
•AlertsandErrorMessages(page8)
StartupScreens
WhenthekeyisintheRUNposition,thescreens
(Figure3)displayforapproximately2seconds.The
LEDstatuslightchangesfromredtoorangetogreen.
3
Figure3
StartupScreen
1.Firmwareversion
2.PTOhours
3.Batteryvoltage
4.Hoursuntilengine-oilmaintenanceisrequired
5.Hoursuntiltransmission-oilmaintenanceisrequired
g030964
4
PTOHourMeterScreen
HourMeterScreen
ThisdisplaysthenumberofhoursthatthePTOhas
beenengaged(Figure4).
Figure4
BatteryVoltageScreen
Thisscreendisplaysthecurrentbatteryvoltage
(Figure5).
Thehourmeterrecordshourswhenthehourmeter
symbolashes.
Hoursdisplaywhenthemachineisofforwhenthe
machineisrunning.Thedisplayturnsoffafter5
minutes.
g222036
g031198
Figure7
Hourmeterwithoutafuelsender
Figure5
FuelMeterScreen
Ifthemachineisequippedwithafuelsender,thefuel
leveldisplaysinthesamepanelasthehourmeter
andisshownasan8-segmentbar(Figure6).
Eightsolidbarsindicatesafullfueltank.
Figure6
Fuelmeterandhourmeter
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g030963
1.Hourmeter 2.Fuellevel
5
DefaultScreen
Afterthestartupscreensdisplay,thedefaultscreen
displays(Figure8).
Thesafety-interlockindicatorsilluminatewhen
eachcontrolmeetstheSAFETOST ARTmode(PTO
disengaged,parkingbrakeengaged,motion-control
leversintheNEUTRAL -LOCKposition,andoperator
present).
Figure8
1.Safety-interlockindicators
2.Hourmeter
3.Fuellevel(ifequipped)
g037702
Figure9
1.Safety-interlockindicators
2.Hourmeter
g030961
•YoumusthavethePTOdisengaged,theparking
brakeengaged,andthemotion-controlleversin
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.
6
MaintenanceRemindersand
Alerts
Thereare2maintenancereminders:
•ServiceEngine
Thehourmeterdisplaysthenumberofengine
hoursuntileithertheengineoilortransmission-uid
maintenanceisdue.Thereminderashesandthe
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.
Theengineoilserviceremindercountsdownfrom
theinitialbreak-inserviceintervalof5engine
hoursandthencountsdownfrom100hoursfor
eachserviceintervalthereafter.
g030960
Figure10
•ServiceTransmission
Thetransmissionuidmaintenancereminder
countsdownfromtheinitialbreak-inservice
intervalof250enginehoursandthencountsdown
from500hoursforeachserviceintervalthereafter.
Figure11
g030965
7
ManuallyResettingMaintenance
AlertsandErrorMessages
Reminders
ToaccesstheServiceEnginescreenyoumustsit
intheoperator’sseat,disengagetheblade-control
switch(PTO),movethemotion-controlleverstothe
NEUTRAL -LOCKposition,andengagetheparking
brake.
•Youcanentertheengineservicereminderreset
modebycyclingthekeyswitchbetweentheRUN
positionandOFFposition4timeswithin8seconds,
withallthesafetyinterlocksintheSAFEposition.
WhentheServiceEnginescreendisplaysand
ashes,youcanresettheengineoilmaintenance
reminderbycyclingeither1orbothmotion-control
leversfromtheNEUTRAL -LOCKpositiontothe
NEUTRALposition,andbacktotheNEUTRAL -LOCK
position.Oncethereminderresets,thescreen
exitstheServiceEnginescreenandreturnsto
thedefaultscreen.
YoucanexittheServiceEnginescreenatany
timebyturningthekeytoeithertheOFForST ART
position.
•Youcanenterthetransmissionuidmaintenance
reminderresetmodebycyclingthekeyswitch
fromtheRUNpositiontotheOFFpositionandback
totheRUNposition6timeswithin8seconds,with
allthesafetyinterlocksintheSAFEposition.
Thesystemiscapableofdisplayingthefollowing
errors:
•VoltageError
Whenthekey-runvoltageislessthan12.3Vor
greaterthan16V,avoltageerrorashes.The
LEDashesaredlight.
g030966
Figure12
•LowFuelLevelError
Ifthefuelsenderisinstalled,anerrorappears
whenthefuellevelis1/8orless.TheLEDashes
aredlightandthefuel-levelsymbolonthedefault
screenashes.
WhentheServiceTransmissionscreendisplays
andashes,youcanresetthetransmissionuid
maintenancereminderbycyclingeither1orboth
motion-controlleversfromtheNEUTRAL -LOCK
positiontotheNEUTRALposition,andbacktothe
NEUTRAL -LOCKposition.
YoucanexittheServiceTransmissionscreen
atanytimebyturningthekeytoeithertheOFF
orSTARTposition.
g031204
Figure13
•PowertoRunOutputOver-CurrentError
Ifanover-currentoccurs,thenumber“2”displays
inthelower,leftcornerofthescreen.TheLED
ashesaredlight.
g030968
Figure14
8
1.Number“2”displays
•EngineOverTemperatureError
•ClutchOpenError
Thisoccursifanengineovertemperatureis
detected.Checktheengineoilandcleandebris
fromtheengine.TheLEDashesaredlightand
theclutchdisengages.
Afteryouresolvetheissuethatcausedtheerror,
themoduledisplaystheClutchResetRequired
alerttoindicatethatyoumustdisengagethePTO
switchandthenengageit.
Figure15
•Low-OilPressureError
Thisoccurswhenlow-oilpressureisdetected.
ChecktheengineoilandcontactanAuthorized
ServiceDealer.TheLEDashesaredlightand
theclutchdisengages.
Iftheclutchoutputdisconnects,thenumber“6”
displaysinthelower,leftcornerofthescreen.The
LEDashesaredlight.
g030971
Figure17
1.Number“6”displays
•ClutchOver-CurrentError
g030969
Ifthecurrentdrawontheclutchoutputisexcessive
ortheoutputcircuitoverheats,thenumber“2”
displaysinthelower,leftcornerofthescreen.
CheckthePTOclutchandinspectfordamageand
wear.TheLEDashesaredlight.
Afteryouresolvetheissuethatcausedtheerror,
themoduledisplaystheClutchResetRequired
alerttoindicatethatyoumustdisengagethePTO
switchandthenengageit.
Figure16
g030972
Figure18
1.Number“2”displays
•ClutchResetRequired
IfthePTOswitchisengagedandthemodule
disengages,theclutch-outputerrordisplays.The
g030970
LEDlightilluminatesgreen,thenorange.You
mustthendisengagethePTOswitchandthen
engageit.
g030973
Figure19
9
•Check-EngineError
Ifanenginefaultoccurs,thesystemdisplaysthe
CheckEngine alertandashesaredlight.T o
retrievethespecicfault(s),followthekeycycle
procedureprovidedintheengineowner’smanual.
Ifmorethan1erroroccurs,thedisplayalternates
betweencodes.Inordertodisplaythediagnostic
codes,youmustcyclethekeyswitch2times
betweentheONandOFFpositions,thentotheON
position,butdonotstarttheengine.
Figure20
g030975
Figure21
•CheckFaultError
ThesystemdisplaystheCheckFaultalertand
theLEDashesredwhenanerrorisdetectedby
anoptionalswitch.
Figure22
g030976
g030977
10
Notes: