Toro Greensmaster TriFlex 3400 - P17 and P18

Thefaultmovestothe
newposition.
Ifthefaultfollowsthecuttingreelmotortothenewcuttingunit,replacethe
cuttingreelmotor.GotoStep5.
Thefaultrepeatsatthe
originalposition.
Ifthefaultrepeatsatthecuttingunit1position,gotoStep6.
Thefaultstopped
repeating.
Ifthefaultnolongerrepeats,notethepositionchangeofthecuttingreelmotor
inthemaintenancerecordsforthemachine.Shouldthefaultrepeatinthe
future,troubleshootingmayberesumedwhereyouleftoff.GotoReturningthe
MachinetoService(page21)andfollowthestepslisted.
Step5:UseToroDIAGtoprogramthereplacementcuttingreelmotor.
1.ConnectaPCwithT oroDIAGsoftwaretothemachineviaaT oroDIAGCable(PartNo.115-1944).Refer
toT oroDIAG–QuickStart(page22).
2.UsetheToroDIAGsoftwaretoreprogramthemachineinaccordancewithToroDIAGUser’sGuide.The
replacementcuttingreelmotorisprogrammedduringthereprogrammingofthemachine.
3.DisconnecttheT oroDIAGcablefromthemachine.
4.Installtheleft-handcoverassembly.
5.GotoReturningtheMachinetoService(page21)andfollowthestepslisted.
Step6:Measure48VpowerinmainharnessconnectorsP17andP18.
Note:ConnectordiagramsareavailableinStep7.
1.Verifythattheengineisshutoff.
2.DisconnectmainharnessconnectorsP17andP18fromthecuttingreelmotorcableconnectors.
3.RotatethekeyswitchtotheONposition.
4.Measurethevoltagebetweenpins1and2ofconnectorP18.Thereadingshouldbe48V.
5.MeasurethevoltagebetweenP17pin1andP18pin2.Thereadingshouldbe48V.
6.RotatethekeyswitchtotheOFFposition.
Pass
Thevoltagereadingsweregood.GotoReturningtheMachinetoService(page21)andfollow
thestepslisted.
Fail
Thevoltagereadingswerenotgood.GotoStep7.
Step7:Testthepowerandgroundwiringinmainharnessconnectors
P17andP18.
ThesearediagnosticstepstohelpisolateproblemsidentiedinStep6.
1.Verifythattheengineisshutoff.
2.UnplugconnectorsP17andP18fromreelmotor1.
3.UnplugconnectorsP19andP20fromreelmotor2.
4.Useamultimetertotesttheresistancebetweenthefollowingpairsoflocations:
LocationHarness
Connector
Pin
Wire
Color
Expected
Reading
ConnectorGraphic
1MainP171
White(W)
2MainP191
White(W)
Lessthan
2ohms
243