Lenovo x3550 M5 - Power Problems

Table17.Optional-deviceproblemsandactions(continued)
•FollowthesuggestedactionsintheorderinwhichtheyarelistedintheActioncolumnuntiltheproblemis
solved.
•Ifanactionstepisprecededby“(Trainedtechnicianonly),”thatstepmustbeperformedonlybyatrained
technician.
•GototheSupportwebsiteathttp://www.lenovo.com/supporttocheckfortechnicalinformation,hints,tips,
andnewdevicedriversortosubmitarequestforinformation.
SymptomAction
•ThelastdeviceineachSCSIchain,ortheendoftheSCSIcable,is
terminatedcorrectly.
•AnyexternalSCSIdeviceisturnedon.YoumustturnonanexternalSCSI
devicebeforeyouturnontheserver.
4.Reseatthefailingdevice.
5.Replacethefailingdevice.
Powerproblems
Usethisinformationtosolvepowerproblems.
Table18.Powerproblemsandactions
•FollowthesuggestedactionsintheorderinwhichtheyarelistedintheActioncolumnuntiltheproblemis
solved.
•Ifanactionstepisprecededby“(Trainedtechnicianonly),”thatstepmustbeperformedonlybyatrained
technician.
•GototheSupportwebsiteathttp://www.lenovo.com/supporttocheckfortechnicalinformation,hints,tips,
andnewdevicedriversortosubmitarequestforinformation.
SymptomAction
Thepower-controlbuttondoes
notwork,andtheresetbutton
doesnotwork(theserverdoes
notstart).
Note:Thepower-control
buttonwillnotfunctionuntil
approximately5to10seconds
aftertheserverhasbeen
connectedtopower.
1.Makesurethatthepower-controlbuttonisworkingcorrectly:
a.Disconnecttheserverpowercords.
b.Reconnectthepowercords.
c.(Trainedtechnicianonly)Reseattheoperatorinformationpanelcable,and
thenrepeatsteps1aand1b.
•(Trainedtechnicianonly)Iftheserverstarts,reseattheoperatorinformation
panel.Iftheproblemremains,replacetheoperatorinformationpanel.
•Iftheserverdoesnotstart,bypassthepower-controlbuttonbyusing
theforcepower-onjumper(see“System-boardswitches,jumpers,and
buttons”onpage27).Iftheserverstarts,reseattheoperatorinformation
panel.Iftheproblemremains,replacetheoperatorinformationpanel.
2.Makesurethattheresetbuttonisworkingcorrectly:
a.Disconnecttheserverpowercords.
b.Reconnectthepowercords.
c.(Trainedtechnicianonly)Reseattheoperatorinformationpanelcable,and
thenrepeatsteps2aand2b.
•(Trainedtechnicianonly)Iftheserverstarts,replacetheoperator
informationpanel.
•Iftheserverdoesnotstart,gotostep3.
3.Makesurethatbothpowersuppliesinstalledintheserverareofthesametype.
Mixingdifferentratingsofpowersuppliesintheserverwillcauseasystemerror
(CONFIGiconwillbeshownontheLCDsysteminformationdisplaypanel).
Chapter3.Troubleshooting81