2SystemhealthLED
ThesystemhealthLEDprovidesbasicdiagnosticfunctionsforyourserver.IfthesystemhealthLEDislit,
oneormoreLEDselsewhereintheservermightalsobelittodirectyoutothesourceoftheerror.
StatusColor
DescriptionAction
Thetemperatureoftheserverreachedthe
non-criticaltemperaturethreshold.
ChecktheBMCforerrorsandcheckthe
systemfans.
Thevoltageoftheserverreachedthe
non-criticalvoltagethreshold.
Replacethesystemboard.
Note:Thisproceduremustbeperformed
onlybytrainedservicepersonnelofLenovo.
SeeChapter8“Gettinginformation,help,
andservice”onpage189
.
Afanhasbeendetectedtoberunningat
lowspeed.
Checkthesystemfans.
Afanhasbeenremoved.1.Ensurethatthesystemfansare
connectedsecurelytothesystem
board.
2.Reinstalltheremovedfanorinstalla
newfantoreplacetheremovedfan.
Thepowersupplyhasacriticalerror.
ChecktheBMCfordetailedinformation.
Thepowercordhasbeendisconnected
fromonepowersupplyoraredundant
powersupplyhasbeenremoved.
1.Ensurethatthepowersuppliesare
installedsecurelyintheserver.
2.Ensurethatthepowercordsare
connectedsecurelytothepower
supplies.
3.Installanewpowersupplytoreplace
theremovedone.
On
Amber
Theserverisoverheated.
ChecktheBMCforerrorsandthencheck
thesystemfans.
BlinkingAmber
TheBMCisinitializing.
Off
None
Theserverisoffortheserverisonandis
workingcorrectly.
3PowerbuttonwithpowerstatusLED
Youcanpressthepowerbuttontoturnontheserverwhenyoufinishsettinguptheserver.Youalsocan
holdthepowerbuttonforseveralsecondstoturnofftheserverifyoucannotturnofftheserverfromthe
operatingsystem.SeeChapter4“Turningonandturningofftheserver”onpage49.ThepowerstatusLED
helpsyoutodeterminethecurrentpowerstatus.
StatusColor
Description
OnGreen
Theserverison.
Off
None
Theserverisoff.
22ThinkServerRD450UserGuideandHardwareMaintenanceManual