Fault72:HighTempWarning—CRM3
Note:Whenanyindividualcuttingreelmotorisshutoffduetoafault,theTEC-5002shutsofftheother4
cuttingreelmotors.
Note:Ifmultiplemachinefaultsarereportedwithinafewseconds,troubleshootingshouldbeginwiththe
rstcuttingreelmotortoreportafault.
InfoCenterDisplay:
_____ FAULT#72 _____
Warning 3
FaultDescription
Ahightemperaturewarningexistsforcuttingreelmotor3.
CircuitDescription
Temperaturesensorsmonitorcomponentsinsidethecuttingreelmotortoprotectthemfromhightemperature
damage.Thecuttingreelmotorcontrollerreducesthecurrenttothecuttingreelmotorinresponsetotherising
temperature,whicheventuallystopsthecuttingreelmotorifthetemperaturekeepsrising.
Note:Asideeffectofthisfaultisreducedreelspeedandtheincreasedchanceofafault67,Speed
Stall—CRM3.
ConditionsforSettingtheFault
Thisfaultistriggeredwhenanexcessiveloadonthecuttingreelmotorcausesthetemperatureinsidethe
cuttingreelmotortoexceed194°F(90°C).Ifthetemperatureinsidethecuttingreelmotorreaches212°F
(100°C),thecuttingreelmotorisshutoff.
Note:Asktheoperatoraboutthemowingconditionswhenthefaultoccurred.
Note:Afaultytemperaturesensorinthecuttingreelmotordoesnotcausethisfault.
RecommendedServiceActions
Step1:Verifythatthefaultrepeats.
1.ClearthesystemfaultsfromtheInfoCenter.RefertoClearingFaultsfromtheInfoCenter(page21).
2.Operatethemachine.
Pass
Thefaultdidnotrepeat.GotoReturningtheMachinetoService(page22)andfollowthestepslisted.
Note:Ifthefaultdoesnotrepeat,anisolatedeventhasoccurred.
Fail
Thefaultrepeated.GotoStep2.
Step2:Attempttocooloffthecuttingreelmotorwhilemowing.
1.RefertoFigure136tolocatecuttingunit3.
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