Hardware Maintenance Manual

Table1.Numericerrorcodes(continued)
Symptomorerror
FRUoraction,insequence
0270
RealTimeClockError—SystemRealTimeClockisnot
functional.
Havethecomputerserviced.
0271
CheckDateandTimesettings—Neitherthedatenorthe
timeissetinthecomputer.
Setthedateandtime,usingThinkPadSetup.
1802
Unauthorizednetworkcardispluggedin—Turnoffand
removethenetworkcard.
1.Removenetworkcard.
2.Replacethesystemboard.
1820
Morethanoneexternalfingerprintreaderisattached.
Poweroffandremoveallbutthereaderthatyousetup
withinyourmainoperatingsystem.
Removeallbutthereaderthatyousetupforthe
authentication.
2101
DetectionerroronSSD1(M.2)
1.ReseattheM.2solid-statedrive.
2.ReplacetheM.2solid-statedrive.
3.Replacethesystemboard.
2111
ReaderroronSSD1(M.2)
1.ReseattheM.2solid-statedrive.
2.ReplacetheM.2solid-statedrive.
3.Replacethesystemboard.
2201
MachineUUIDisinvalid
Replacethesystemboard.
Errormessages
Table2.Errormessages
Symptomorerror
FRUoraction,insequence
Fanerror.1.Replacethefan.
2.Applythermalgrease.
3.Replacethesystemboard.
Thermalsensingerror.Replacethesystemboard.
Thebatteryinstalledisnotsupportedbythissystem
andwillnotcharge.Pleasereplacethebatterywiththe
correctLenovobatteryforthissystem.PresstheESC
keytocontinue.
Replacethebattery.
Thissystemdoesnotsupportbatteriesthatarenot
genuineLenovomadeorauthorized.Thesystemwill
continuetoboot,butmaynotchargeunauthorized
batteries.PresstheESCkeytocontinue.
Attention:Lenovohasnoresponsibilityforthe
performanceorsafetyofunauthorizedbatteries,and
providesnowarrantiesforfailuresordamagearisingout
oftheiruse.
Replacethebattery.
36ThinkPadT460sHardwareMaintenanceManual