User's Manual
Note:DotheFRUreplacementorotheractionsinthesequenceshowninthecolumnheaded“FRUor
action,insequence.”IfreplacingaFRUdoesnotsolvetheproblem,puttheoriginalpartbackinthe
computer.DonotreplaceanondefectiveFRU.
Thisindexcanalsohelpyoudetermine,duringregularservicing,whatFRUsarelikelytoneedtobe
replacednext.
AnumericerrorisdisplayedforeacherrordetectedinPOSTorsystemoperation.Inthedisplays,ncan
beanynumber.
Ifnonumericcodeisdisplayed,checkthenarrativedescriptionsofsymptoms.Ifthesymptomisnot
describedthere,gotoIntermittentproblems.
Note:ForadevicenotsupportedbydiagnosticcodesintheThinkPadNotebooks,seethemanualfor
thatdevice.
Numericerrorcodes
Table2.Numericerrorcodes
Symptomorerror
FRUoraction,insequence
0177
BadSVPdata,stopPOSTtask—Thechecksumofthe
supervisorpasswordintheEEPROMisnotcorrect.
Systemboard
0182
BadCRC2.EnterUEFIBIOSSetupandloadSetup
defaults.—ThechecksumoftheCRS2settinginthe
EEPROMisnotcorrect.
1.RunThinkPadSetup.PressF9,andEntertoload
thedefaultsetting.Thensavethecurrentsetting
bypressingF10.
2.Systemboard
0183
BadCRCofSecuritySettingsinEFIVariable.Enter
ThinkPadSetup.
0187
EAIAdataaccesserror—TheaccesstoEEPROMisfailed.
Systemboard
0188
InvalidRFIDSerializationInformationArea.
Systemboard
0189
InvalidRFIDcongurationinformationarea—The
EEPROMchecksumisnotcorrect.
Systemboard
0190
Criticallow-batteryerror
1.Chargethebatterypack.
2.Batterypack
0191
SystemSecurity—InvalidRemoteChangerequested.
1.RunThinkPadSetup,andthensavecurrent
settingbypressingF10.
2.Systemboard
0199
SystemSecurity—Securitypasswordretrycount
exceeded.
1.RunThinkPadSetup,andthensavethecurrent
settingbypressingF10.
2.Systemboard
0251
SystemCMOSchecksumbad—Defaultconguration
used.
1.Chargethebackupbatteryformorethan8hours
byconnectingtheacadapter.
2.ReplacethebackupbatteryandrunThinkPadSetup
toresetthetimeanddate.
0271
Real-timeclockerror.Checkdateandtimesettings.
RunThinkPadSetuptoresetthetimeanddate.
40ThinkPadT520,T520i,andW520HardwareMaintenanceManual