Lenovo ThinkServer sd350 - Power Problems

Table12.Optional-deviceproblemsandactions(continued)
SymptomAction
3.Replacethedevicethatyoujustinstalled.
AnLenovooptionaldevicethat
workedpreviouslydoesnot
worknow.
1.Makesurethatallofthecableconnectionsforthedevicearesecure.
2.Ifthedevicecomeswithtestinstructions,usethoseinstructionstotestthe
device.
3.Reseatthefailingdevice.
4.Replacethefailingdevice.
Powerproblems
•FollowthesuggestedactionsintheorderinwhichtheyarelistedintheActioncolumnuntiltheproblemis
solved.
•Ifanactionstepisprecededby'(Trainedtechnicianonly)',thatstepmustbeperformedonlybyaTrained
technician.
•GototheLenovosupportwebsiteathttp://www.lenovo.com/supporttocheckfortechnicalinformation,
hints,tips,andnewdevicedriversortosubmitarequestforinformation.
Table13.Powerproblemsandactions
SymptomAction
Thepower-controlbuttondoes
notwork(theserverdoesnot
start).
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-controlbuttonbyusingthe
forcepower-onjumper(see“System-boardswitchesandjumpers”on
page25
).Iftheserverstarts,reseattheoperatorinformationpanel.Ifthe
problemremains,replacetheoperatorinformationpanel.
2.Makesurethat:
a.Thepowercordsarecorrectlyconnectedtotheserverandtoaworking
electricaloutlet.
b.Thetypeofmemorythatisinstallediscorrect.
c.TheDIMMisfullyseated.
d.TheLEDsonthepowersupplydonotindicateaproblem.
e.(Trainedtechnicianonly)Themicroprocessorsareinstalledinthecorrect
sequence.
3.Reseatthefollowingcomponents:
a.DIMMs
b.(Trainedtechnicianonly)Power-supplycablestoallinternalcomponents
c.(Trainedtechnicianonly)Powerswitchconnector
4.Replacethefollowingcomponentsoneatatime,intheordershown,restarting
theservereachtime:
a.DIMMs
b.Powersupply
Chapter3.Troubleshooting57