Case 590ST - 8 TROUBLESHOOTING; Fault Code Resolution and Troubleshooting Guide

8-TROUBLESHOOTING
8-TROUBLESHOOTING###_8_###
FAULTCODERESOLUTION
Troubleshooting
Oftenfailuresareduetoimproperuseortoanirregular
maintenanceofthemachine.
Incaseoffailure,itisrecommendedtoreadtherelevant
chapterinthemanual.
Incasenofailurecausecanbedeterminedorifyouare
notabletoeliminatetheproblem,consulttheServiceDe-
partment.
WhencontactingtheServiceDepartment,itisimportant
todescribethefailureandallthefactorsrelatedtoitinthe
mostprecisewaypossible.Preciseinformationallows
quicklyndingandeliminatingthecauseoftheproblem.
Neverperformanyoperationifnotsufcientlyskilledfor
thejob.
Thesefollowingtablesarereportedforyourguidance
only.
Ifanyrepairsarerequiredbeyondroutinemaintenance,
yourmachinemustbereturnedtoyourDealerwhohas
thecorrecttools,facilitiesandknowledgetoperformre-
pairstothecorrectspecicationandsafetystandards.
Thesetablesdescribethefailuresalreadyoccurred,their
possiblecausesandtheremediestobeadopted.
Inexceptionalcases,afailuredescribedmayalsohave
anothercause.
PROBLEM
Herethefailureisdescribedastheconsequenceofa
previouslyperformedobservationoractivity.
Therefore,observewithextremecare.
Carefullyexaminetheproblem.
Askyourselfthefollowingquestions:
Whatsymptomsprecededthefailure?
Whatrepairormaintenanceoperationshavebeenprevi-
ouslyperformed?
Hadthisfailurealreadyoccurred?
Isthisasinglefailureorarethesemorecontemporary
failures?
POSSIBLECAUSE
Thepossiblecausesofthedetectedfailureareindicated.
Theyarearrangedaccordingtotheprobabilitydegree:
themostprobablecauseisshownatrstplace.
CORRECTION
Hereitisexplainedhowtodetectandeliminatethecause
oftheproblem.
8-1