Toro Greensmaster TriFlex 3400 - Page 133

LocationHarness
Connector
Pin
Wire
Color
Expected
Reading
ConnectorGraphic
1MainP16
5
Red(R)
2MainP0144
Red(R)
Lessthan
2ohms
CAUTION
OvertighteningtheharnessconnectorretainingfastenerwilldamagetheprimaryTEC
controller.
AfteryouplugconnectorP01backintotheTEC,torquetheretainingfastenerforP01to25–28
in-lbs.
Pass
Thecontinuitytestpassed.GotoStep3.
Fail
Thecontinuitytestfailed.TracethewirefromtherelaytotheprimaryTECcontrollerand
locatethedamage.Repairorreplacethefaultywire.
GotoReturningtheMachinetoService(page21)andfollowthestepslisted.
Step3:Testthefanrelay
TestthefanrelayfollowingtheprocedureinChapter6ofthe3320/3420TriFlexServiceManual.
Pass
Thefanrelaypassedthecontinuitytests.Thefaultstillrepeats.GotoStep4.
Fail
Thefanrelayfailedthefunctiontest.Replacethefanrelay.GotoReturningtheMachineto
Service(page21)andfollowthestepslisted.
Step4:SwaptheprimaryTECwithaknowngoodunit.
Note:TECcontrollersareprogrammedtospecicmachinemodelandserialnumbers.TECcontrollersdonot
functionuntilprogrammedbyT oroDIAG.
TherearethreeproceduresthatyouneedtoaccomplishaspartofreplacingaTEC.RefertoReplacingaToro
ElectronicController(TEC)(page23).
1.UseT oroDIAGtosavethemachinetimersandcountersleoutoftheoriginalTEC.(page23)
2.ReplacetheTEC.(page24)
3.UseToroDIAGtoprogramtheTEC,andthenrestoretheTD2le.(page25)
4.DuplicatetheoperationofthemachinewhenthefaultoccurredwiththeoriginalprimaryTEC.
Thefaultnolonger
repeats.
GotoReturningtheMachinetoService(page21)andfollowthestepslisted.
Thefaultstillrepeats.ReinstalltheoriginalprimaryTECcontroller.Repeatthediagnosticprocessfor
thisfault.
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