Table18.Powerproblemsandactions(continued)
•FollowthesuggestedactionsintheorderinwhichtheyarelistedintheActioncolumnuntiltheproblemis
solved.
•Ifanactionstepisprecededby“(Trainedtechnicianonly),”thatstepmustbeperformedonlybyatrained
technician.
•GototheSupportWebsiteathttp://www.lenovo.com/supporttocheckfortechnicalinformation,hints,
tips,andnewdevicedriversortosubmitarequestforinformation.
SymptomAction
Pwrrail4errorhasbeen
recordedinthesystemevent
log.
1.Disconnecttheserverpowercords.
2.RemovethefollowingcomponentsifthePwrrail4errorhasbeenrecordedin
thesystemeventlog:
•Fan5
•Fan6
•DIMMs13through24
3.Restarttheserver.IfthePwrrail4errorhasbeenrecordedinthesystemevent
logagain,(trainedtechnicianonly)replacethesystemboard(see“Forservice
technicianonly:removingthesystemboard”onpage276
and“Forservice
technicianonly:replacingthesystemboard”onpage279
).
4.Reinstallthecomponentsoneatatime,intheordershown,restartingthe
servereachtime.IfthePwrRail4errorhasbeenrecordedinthesystemevent
logagain,thecomponentthatyoujustreinstalledisdefective.Replacethe
defectivecomponent.
•DIMMs13through24(see“Removingamemorymodule”onpage159and
“Memorymoduleinstallation”onpage160).
•Fan5(see“Removingathermalkit(hot-swapfan)”onpage193and
“Replacingathermalkit(hot-swapfan)”onpage194).
•Fan6
Pwrrail5errorhasbeen
recordedinthesystemevent
log.
1.Disconnecttheserverpowercords.
2.RemovethefollowingcomponentsifthePwrrail5errorhasbeenrecordedin
thesystemeventlog:
•Fan7
•Fan8
•SAS/SATAharddiskdrivesandUSB
3.Restarttheserver.IfthePwrrail5errorhasbeenrecordedinthesystemevent
logagain,(trainedtechnicianonly)replacethesystemboard(see“Forservice
technicianonly:removingthesystemboard”onpage276and“Forservice
technicianonly:replacingthesystemboard”onpage279
).
4.Reinstallthecomponentsoneatatime,intheordershown,restartingthe
servereachtime.IfthePwrRail5errorhasbeenrecordedinthesystemevent
logagain,thecomponentthatyoujustreinstalledisdefective.Replacethe
defectivecomponent.
•HarddiskdrivesandUSB
•Fan7(see“Removingathermalkit(hot-swapfan)”onpage193
and
“Memorymoduleinstallation”onpage160).
•Fan8
Chapter3.Troubleshooting83