•FollowthesuggestedactionsintheorderinwhichtheyarelistedintheActioncolumnuntiltheproblemis
solved.
•Ifanactionstepisprecededby“(Trainedtechnicianonly),”thatstepmustbeperformedonlybyatrained
technician.
•Gotothesupportwebsiteathttp://www.lenovo.com/supporttocheckfortechnicalinformation,hints,tips,
andnewdevicedriversortosubmitarequestforinformation.
SymptomAction
hasbeenrecordedintheIMM
eventlog.
3.(Trainedtechnicianonly)replacethesystemboard(see“Removingthesystem
board”onpage300and“Replacingthesystemboard”onpage304).
4.Reinstallthecomponent;then,restartingtheserver.IfthePwrrail1error
hasbeenrecordedintheIMMeventlogagain,thecomponentthatyoujust
reinstalledisdefective.Replacethedefectivecomponent.
•(Trainedtechnicianonly)Microprocessor1(see“Removingamicroprocessor
andheatsink”onpage285and“Replacingamicroprocessorandheatsink”
onpage290).
5.ReplacethepowersupplyiftheOVERSPECLEDonthelightpathdiagnostics
panelisstilllit.
TheOVERSPECLEDonthe
lightpathdiagnosticspanel
islit,orthePwrrail2error
hasbeenrecordedintheIMM
eventlog.
1.Disconnecttheserverpowercords.
2.(Trainedtechnicianonly)removemicroprocessor2ifPwrrail2errorhasbeen
recordedintheIMMeventlog.
3.Restarttheserver.IfthePwrrail2errorhasbeenrecordedintheIMMeventlog
again,(trainedtechnicianonly)replacethesystemboard(see“Removingthe
systemboard”onpage300and“Replacingthesystemboard”onpage304).
4.Reinstallthecomponent;then,restartingtheserver.IfthePwrRail2error
hasbeenrecordedintheIMMeventlogagain,thecomponentthatyoujust
reinstalledisdefective.Replacethedefectivecomponent.
•(Trainedtechnicianonly)Microprocessor2(see“Removingamicroprocessor
andheatsink”onpage285
and“Replacingamicroprocessorandheatsink”
onpage290).
5.ReplacethepowersupplyiftheOVERSPECLEDonthelightpathdiagnostics
panelisstilllit.
TheOVERSPECLEDonthe
lightpathdiagnosticspanel
islit,orthePwrrail3error
hasbeenrecordedintheIMM
eventlog.
1.Disconnecttheserverpowercords.
2.RemovethefollowingcomponentsifPwrrail3errorhasbeenrecordedinthe
IMM2eventlog:
•Optionaladapter(ifoneispresent)installedinPCIriser-cardassembly1
•PCIriser-cardassembly1
•ServeRAIDSAS/SATAadapter(ifoneispresent)
•DIMMs1through6
3.Restarttheserver.IfthePwrrail3errorhasbeenrecordedintheIMMeventlog
again,(trainedtechnicianonly)replacethesystemboard(see“Removingthe
systemboard”onpage300
and“Replacingthesystemboard”onpage304).
4.Reinstallthecomponentsoneatatime,intheordershown,restartingthe
servereachtime.IfthePwrrail3errorhasbeenrecordedintheIMMevent
logagain,thecomponentthatyoujustreinstalledisdefective.Replacethe
defectivecomponent.
•DIMMs1through6(see“Removingamemorymodule”onpage213
and
“Installingamemorymodule”onpage45).
•ServeRAIDSAS/SATAadapter(see“RemovingaServeRAIDSAS/SATA
controller”onpage230and“ReplacingaServeRAIDSAS/SATAcontroller”
onpage231).
150Systemx3550M4InstallationandServiceGuide