•FollowthesuggestedactionsintheorderinwhichtheyarelistedintheActioncolumnuntiltheproblemis
solved.
•Ifanactionstepisprecededby“(Trainedtechnicianonly),”thatstepmustbeperformedonlybyatrained
technician.
•Gotothesupportwebsiteathttp://www.lenovo.com/supporttocheckfortechnicalinformation,hints,tips,
andnewdevicedriversortosubmitarequestforinformation.
SymptomAction
•PCIriser-cardassembly1(see“RemovingaPCIriser-cardassembly”on
page220and“ReplacingaPCIriser-cardassembly”onpage221).
•Optionaladapter(ifoneispresent)installedinPCIriser-cardassembly1(see
“Removinganadapter”onpage225and“Replacinganadapter”onpage
226).
5.Followactionsin“Solvingpowerproblems”onpage156,iftheOVERSPEC
LEDonthelightpathdiagnosticspanelisstilllit.
6.ReplacethepowersupplyiftheOVERSPECLEDonthelightpathdiagnostics
panelisstilllit.
TheOVERSPECLEDonthe
lightpathdiagnosticspanel
islit,orthePwrrail4error
hasbeenrecordedintheIMM
eventlog.
1.Disconnecttheserverpowercords.
2.RemovethefollowingcomponentsifthePwrrail4errorhasbeenrecorded
intheIMMeventlog:
•OptionalPCIadapterpowercable(ifoneispresent)
•Fan1
•Fan2
•Harddiskdrives
•DIMMs7through12
3.Restarttheserver.IfthePwrrail4errorhasbeenrecordedintheIMMeventlog
again,(trainedtechnicianonly)replacethesystemboard(see“Removingthe
systemboard”onpage300
and“Replacingthesystemboard”onpage304).
4.Reinstallthecomponentsoneatatime,intheordershown,restartingthe
servereachtime.IfthePwrRail4errorhasbeenrecordedintheIMMevent
logagain,thecomponentthatyoujustreinstalledisdefective.Replacethe
defectivecomponent.
•DIMMs7through12(see“Removingamemorymodule”onpage213and
“Installingamemorymodule”onpage45
).
•Harddiskdrives
•Fan2(see“Removingahot-swapfan”onpage243and“Replacinga
hot-swapfan”onpage244).
•Fan1
•OptionalPCIadapterpowercable(ifoneispresent)
5.Followactionsin“Solvingpowerproblems”onpage156,iftheOVERSPEC
LEDonthelightpathdiagnosticspanelisstilllit.
6.ReplacethepowersupplyiftheOVERSPECLEDonthelightpathdiagnostics
panelisstilllit.
Chapter4.Troubleshooting151