3.RemovetheservercoverandlookinsidetheserverforlitLEDs.Certaincomponentsinsidetheserver
haveLEDsthatwillbelittoindicatethelocationofaproblem.Forexample,aDIMMerrorwilllight
theLEDnexttothefailingDIMMonthesystemboard.Lookatthesystemservicelabelinsidethe
sidecoveroftheserver,whichgivesanoverviewofinternalcomponents.Thisinformationcanoften
provideenoughinformationtocorrecttheerror.
ThefollowingtabledescribestheLEDsonthesystemboardandPCIextendercardsandsuggestedactions
tocorrectthedetectedproblems.
•FollowthesuggestedactionsintheorderinwhichtheyarelistedintheActioncolumnuntiltheproblemis
solved.
•SeeChapter7“Partslisting,RS210Types6531,6532,6533,and6534”onpage175
todeterminewhich
componentsarecustomerreplaceableunits(CRU)andwhichcomponentsareeldreplaceableunits(FRU).
•Ifanactionstepisprecededby“(Trainedservicetechnicianonly),”thatstepmustbeperformedonlyby
atrainedservicetechnician.
ComponentLEDDescriptionAction
DIMMerrorLEDs
AmemoryDIMMhasfailedoris
incorrectlyinstalled.
1.RemovetheDIMMthathastheliterrorLED.
2.ReseattheDIMM.
3.Replacethefollowingcomponentsoneatatime,in
theordershown,restartingtheservereachtime:
a.DIMM
b.(Trainedservicetechnicianonly)Systemboard
CPUerrorLEDs
Microprocessorhasfailed,is
missing,orhasbeenincorrectly
installed.
Note:(Trainedservicetechnician
only)Makesurethatthe
microprocessorisinstalled
correctly;see“Installingthe
microprocessor”onpage141
.
1.Checkthesystem-eventlogtodeterminethereason
forthelitLED.
2.(Trainedservicetechnician)Reseatthefailing
microprocessor
3.Replacethefollowingcomponentsoneatatime,in
theordershown,restartingtheservereachtime:
a.(Trainedservicetechnicianonly)Failing
microprocessor
b.(Trainedservicetechnicianonly)Systemboard
System-boarderror
LED
System-boardCPUVRDand/or
powervoltageregulatorshave
failed.
(Trainedservicetechnicianonly)Replacethesystem
board.
BatteryfailureLED
Batterylow.
1.ReplacetheCMOSlithiumbattery,ifnecessary.
2.(Trainedservicetechnicianonly)Replacethesystem
board.
IMMheartbeatLED
Indicatesthestatusoftheboot
processoftheIMM.
Whentheserverisconnectedto
powerthisLEDashesquickly
toindicatethattheIMMcode
isloading.Whentheloadingis
complete,theLEDstopsashing
brieyandthenashesslowly
toindicatethattheIMMiffully
operationalandyoucanpressthe
power-controlbuttontostartthe
server.
IftheLEDdoesnotbeginashingwithin30seconds
ofwhentheserverisconnectedtopower,complete
thefollowingsteps:
1.(Trainedservicetechnicianonly)Rerecoverthe
rmware(see“Recoveringtheserverrmware”on
page100
).
2.(Trainedservicetechnicianonly)Replacethesystem
board.
62HardwareMaintenanceManual
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