ThinkPad T420 - Error Messages

Errormessages
Table3.Errormessages
Symptomorerror
FRUoraction,insequence
Fanerror.1.Fan.
2.Thermalgrease.
3.Systemboard.
Thermalsensingerror.
Systemboard.
Thissystemdoesnotsupportbatteriesthatarenot
genuineLenovo-madeorauthorized.Thissystemwill
continuetoboot,butmaynotchargeunauthorized
batteries.
Attention:Lenovohasnoresponsibilityforthe
performanceorsafetyofunauthorizedbatteries,and
providesnowarrantiesforfailuresordamagearisingout
oftheiruse.
Replacethebattery.
Chapter4.Relatedserviceinformation49
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