Lenovo x3650 M4 BD 5466 - Power Problems

Powerproblems
•FollowthesuggestedactionsintheorderinwhichtheyarelistedintheActioncolumnuntiltheproblemis
solved.
•SeeChapter5“Partslisting”onpage141
tocheckifacomponentisaconsumable,structural,orFRUpart.
•Ifanactionstepisprecededby“(Trainedtechnicianonly),”thatstepmustbeperformedonlybyatrained
technician.
SymptomAction
Thepower-controlbuttondoes
notwork,andtheresetbutton
doeswork(theserverdoesnot
start).
Note:Thepower-control
buttonwillnotfunctionuntil
approximately1to3minutes
aftertheserverhasbeen
connectedtoacpower.
1.Makesurethatthetopcoverisclosedandlatchedcorrectly.
2.Makesurethatthetopcover/powercut-offswitchcableisseatedcorrectly.
3.Makesurethatthepower-controlbuttonontheserverisworkingcorrectly:
a.Disconnecttheserverpowercords.
b.Reconnectthepowercords.
c.Reseattheoperatorinformationpanelcables,andthenrepeatsteps3a
and3b.
•Iftheserverstarts,reseattheoperatorinformationpanel.Iftheproblem
remains,replacetheoperatorinformationpanel.
4.Makesurethattheresetbuttonisworkingcorrectly:
a.Disconnecttheserverpowercords.
b.Reconnectthepowercords.
c.Reseattheoperatorinformationpanelcable,andthenrepeatsteps3a
and3b.
•Iftheserverstarts,replacetheoperatorinformationpanel.
•Iftheserverdoesnotstart,gotostep5.
5.Makesurethat:
•Thepowercordsarecorrectlyconnectedtotheserverandtoaworking
electricaloutlet.
•Thetypeofmemorythatisinstallediscorrect.
•TheDIMMsarefullyseated.
•TheLEDsonthepowersupplydonotindicateaproblem.
•Themicroprocessorsareinstalledinthecorrectsequence.
6.Reseatthefollowingcomponents:
a.DIMMs
b.Powersupplies
7.Replacethecomponentslistedinstep6oneatatime,intheordershown,
restartingtheservereachtime.
8.Ifyoujustinstalledanoptionaldevice,removeit,andrestarttheserver.If
theservernowstarts,youmighthaveinstalledmoredevicesthanthepower
supplysupports.
9.See“Power-supplyLEDs”onpage17.
10.See“Solvingundeterminedproblems”onpage135.
Theserverdoesnotstart.
1.CheckthepowerLEDonthesystemboard.See“System-boardLEDs”on
page27
fortheLEDlocation.
2.Reseatthepowersupply.
3.Replacethepowersupply.
Theserverdoesnotstart.
(Continued)
Chapter4.Troubleshooting131