Troubleshooting
VisualInspectionChecklist(cont'd.)
Area
Lookforthefollowingproblems
Fasteners
Looseormissingscrewsorotherhardware,especiallyfasteners
usedasconnectionstogroundplanesonPCBs
Powersource
•Faultywiring,especiallyACoutlet
•Circuitnotdedicatedtosystem
NOTE:
Powersourceproblemscancausestaticdischarge,resetting
problems,andnoise.
Keyboard
•Cutsorcracksinkeyboardmembrane
•Illegiblelabels
LCDdisplaylterScratches,cracks,oranopaquedisplaylter(transparentpartof
thekeyboardbezel)thatimpairviewing
Batterypack
•Cracked,swollen,orleakybatterypackenclosure
•Debrisonbatterypackelectricalcontacts
SDcard
•CrackedSDcard
•Brokengoldcontacts
•Dirt,scratches,ordebrisoncontacts
EventLogging
Theeventlogtracksthesystemerrors,warnings,andinformationalmessages.Export
thelogletoanSDcardsoyoucanreviewittohelpidentifysystemproblemsand
pinpointtheircauses.
Referto“EventLog”onpage44forprocedurestosetupandexporttheeventlog.
DiagnosticTests
Afteryouidentifythepotentialcauseofanissuethroughthepower-upselftestresults,
visualinspection,oreventlogreview,usethediagnostictestsverifythesuspect
componentisfunctioningproperly.
Referto“SystemDiagnostics”onpage46forinstructionsonconductingthediagnostic
teststoidentifyspecicFRUfailures.
ErrorCodes
Noactionisnecessaryforisolatederroroccurrences.However,ifthesystem
ismalfunctioningandanyofthefollowingerrormessagesarerepeatingand
unrecoverable,replacetheFRUsintheorderlisted.
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MAC™2000ECGAnalysisSystem
2053535-003C