Lenovo x3250 m6 - Power Problems

Powerproblems
Table19.Powerproblemsandactions
SymptomAction
Thepower-controlbuttondoes
notwork,andtheresetbutton
doesnotwork(theserverdoes
notstart).
Note:Thepower-control
buttonwillnotfunctionuntil
approximately20secondsafter
theserverhasbeenconnected
topower.
1.Disconnecttheserverpowercords.
2.Reconnectthepowercords.
3.(Trainedtechnicianonly)Reseattheoperatorinformationpanelcable,andthen
repeatsteps1aand1b.
•(Trainedtechnicianonly)Iftheserverstarts,reseattheoperatorinformation
panel.Iftheproblemremains,replacetheoperatorinformationpanel.
•Iftheserverdoesnotstart,bypassthepower-controlbuttonbyusingthe
forcepower-onjumper.See“System-boardswitchesandjumpers”onpage
22
.Iftheserverstarts,reseattheoperatorinformationpanel.Iftheproblem
remains,replacetheoperatorinformationpanel.
4.Makesurethat:
a.Thepowercordsarecorrectlyconnectedtotheserverandtoaworking
electricaloutlet.
b.Thetypeofmemorythatisinstallediscorrect.
c.TheDIMMisfullyseated.
d.TheLEDsonthepowersupplydonotindicateaproblem.
5.Reseatthefollowingcomponents:
a.DIMMs
b.(Trainedtechnicianonly)Power-supplycablestoallinternalcomponents
c.(Trainedtechnicianonly)Powerswitchconnector
6.Replacethefollowingcomponentsoneatatime,intheordershown,restarting
theservereachtime:
a.DIMMs
b.Powersupply
c.(Trainedtechnicianonly)Systemboard
7.Ifyouinstalledanoptionaldevice,removeit,andrestarttheserver.Iftheserver
nowstarts,youmighthaveinstalledmoredevicesthanthetotaldevicesthat
powersupplycouldsupport.
8.See“Power-supplyLEDs”onpage54.
Theserverdoesnotturnoff.
1.DeterminewhetheryouareusinganAdvancedConfigurationandPower
Interface(ACPI)oranon-ACPIoperatingsystem.Ifyouareusinganon-ACPI
operatingsystem,dothefollowing:
a.PressCtrl+Alt+Delete.
b.Turnofftheserverbypressingthepower-controlbuttonforfiveseconds.
c.Restarttheserver.
d.IftheserverfailsthePOSTandthepower-controlbuttondoesnotwork,
disconnectthepowercordforfiveseconds;then,reconnectthepower
cordandrestarttheserver.
2.IftheproblemremainsorifyouareusinganACPI-awareoperatingsystem,
suspectthesystemboard.
Theserverunexpectedlyshuts
down,andtheLEDsonthe
operatorinformationpanelare
notlit.
See“Solvingundeterminedproblems”onpage72
.
Chapter5.Troubleshooting69