Lenovo 1045 User Manual Page 111

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  • TROUBLESHOOTING
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SymptomAction
3.Replacethedevicethatyoujustinstalled.
ALenovooptionaldevicethat
usedtoworkdoesnotwork
now.
1.Makesurethatallofthehardwareandcableconnectionsforthedeviceare
secure.
2.Ifthedevicecomeswithtestinstructions,usethoseinstructionstotestthe
device.
3.IfthefailingdeviceisanSCSIdevice,makesurethat:
ThecablesforallexternalSCSIdevicesareconnectedcorrectly.
ThelastdeviceineachSCSIchain,ortheendoftheSCSIcable,is
terminatedcorrectly.
AnyexternalSCSIdeviceisturnedon.YoumustturnonanexternalSCSI
devicebeforeyouturnontheserver.
4.Reseatthefailingdevice.
5.Replacethefailingdevice.
Powerproblems
FollowthesuggestedactionsintheorderinwhichtheyarelistedintheActioncolumnuntiltheproblemis
solved.
SeethepartslistingintheHardwareMaintenanceManualtodeterminewhichcomponentsarecustomer
replaceableunits(CRUs)andwhichcomponentsareeldreplaceableunits(FRUs).
Ifanactionstepisprecededby“(Trainedservicetechnicianonly),thatstepmustbeperformedonlyby
atrainedservicetechnician.
SymptomAction
Thepower-controlbuttondoes
notwork(theserverdoesnot
start).
Note:Thepower-control
buttonwillnotfunctionuntil
3minutesaftertheserverhas
beenconnectedtoacpower.
1.Makesurethatthepower-controlbuttonisworkingcorrectly:
a.Disconnecttheserverpowercords.
b.Reconnectthepowercords.
c.(Trainedservicetechnicianonly)Reseattheoperatorinformationpanel
cables,andthendisconnecttheserverpowercords.Reconnectthepower
cords.Iftheserverstarts,reseattheoperatorinformationpanel.Ifthe
problemremains,replacetheoperatorinformationpanel.
2.Makesurethat:
Thepowercordsarecorrectlyconnectedtotheserverandtoaworking
electricaloutlet.
Thetypeofmemorythatisinstallediscorrect.
TheDIMMisfullyseated.
TheLEDsonthepowersupplydonotindicateaproblem.
Themicroprocessorsareinstalledinthecorrectsequence.
3.Reseatthefollowingcomponents:
a.DIMMs
b.(Trainedservicetechnicianonly)Powerswitchconnector
c.(Trainedservicetechnicianonly)Powerbackplane
4.Replacethefollowingcomponentsoneatatime,intheordershown,restarting
theservereachtime:
a.DIMMs
b.(Trainedservicetechnicianonly)Powerswitchconnector
c.(Trainedservicetechnicianonly)Powerbackplane
d.(Trainedservicetechnicianonly)Systemboard
Chapter7.Troubleshooting99
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