Lenovo x3550 M5 - Page 96

Table18.Powerproblemsandactions(continued)
•FollowthesuggestedactionsintheorderinwhichtheyarelistedintheActioncolumnuntiltheproblemis
solved.
•Ifanactionstepisprecededby“(Trainedtechnicianonly),”thatstepmustbeperformedonlybyatrained
technician.
•GototheSupportwebsiteathttp://www.lenovo.com/supporttocheckfortechnicalinformation,hints,tips,
andnewdevicedriversortosubmitarequestforinformation.
SymptomAction
4.Makesurethat:
•Thepowercordsarecorrectlyconnectedtotheserverandtoaworking
electricaloutlet.
•Thepowersourcemeetstheminimumvoltagerequirementfortheinstalled
powersupplies.
•Thetypeofmemorythatisinstallediscorrect.
•TheDIMMsarefullyseated.
•TheLEDsonthepowersupplydonotindicateaproblem.
•Themicroprocessorsareinstalledinthecorrectsequence.
5.Reseatthefollowingcomponents:
a.Operatorinformationpanelconnector
b.Powersupplies
6.Replacethecomponentslistedinstep5oneatatime,intheordershown,
restartingtheservereachtime.
7.Ifyoujustinstalledanoptionaldevice,removeit,andrestarttheserver.If
theservernowstarts,youmighthaveinstalledmoredevicesthanthepower
supplysupports.
8.See“Power-supplyLEDs”onpage61.
9.See“Solvingundeterminedproblems”onpage90.
Pwrrail1errorhasbeen
recordedinthesystemevent
log.
1.Disconnecttheserverpowercords.
2.(Trainedtechnicianonly)removemicroprocessor1ifthePwrrail1errorhas
beenrecordedinthesystemeventlog.
3.(Trainedtechnicianonly)replacethesystemboard(see“Removingthesystem
board”onpage268
and“Replacingthesystemboard”onpage271).
4.Reinstallthecomponent;then,restartingtheserver.IfthePwrrail1errorhas
beenrecordedinthesystemeventlogagain,thecomponentthatyoujust
reinstalledisdefective.Replacethedefectivecomponent.
•(Trainedtechnicianonly)Microprocessor1(see“Removingamicroprocessor
andheatsink”onpage255
and“Replacingamicroprocessorandheatsink”
onpage260
).
Pwrrail2errorhasbeen
recordedinthesystemevent
log.
1.Disconnecttheserverpowercords.
2.(Trainedtechnicianonly)removemicroprocessor2ifPwrrail2errorhasbeen
recordedinthesystemeventlog.
3.Restarttheserver.IfthePwrrail2errorhasbeenrecordedintheIMMeventlog
again,(trainedtechnicianonly)replacethesystemboard(see“Removingthe
systemboard”onpage268
and“Replacingthesystemboard”onpage271).
4.Reinstallthecomponent;then,restartingtheserver.IfthePwrRail2error
hasbeenrecordedinthesystemeventlogagain,thecomponentthatyoujust
reinstalledisdefective.Replacethedefectivecomponent.
•(Trainedtechnicianonly)Microprocessor2(see“Removingamicroprocessor
andheatsink”onpage255
and“Replacingamicroprocessorandheatsink”
onpage260
).
82LenovoSystemx3550M5InstallationandServiceGuide