Lenovo ThinkServer RD550 - Page 34

2SystemhealthLED
ThesystemhealthLEDhelpsyoutodetermineifthereareanysystemerrors.
•Off:Theserverisoffortheserverisonandworkingcorrectly.
•Amber:Theserverhaspotentialsystemerrors.Checktheinformationinthefollowingtableforpotential
systemerrorsandcorrespondingsolutions.
•Blinking:Systeminitializationisongoing.
Potentialsystemerror(systemhealthLED:amber)Solution
Thetemperatureoftheserverreachedthenon-critical
temperaturethreshold.
ChecktheBMCforerrorsandcheckthesystemfans.
Thevoltageoftheserverreachedthenon-criticalvoltage
threshold.
Replacethesystemboard.
Note:ThisactionmustbeperformedonlybyLenovo
servicepersonnel.SeeChapter8“Gettinginformation,
help,andservice”onpage161
.
Afanisrunningatlowspeed.
Checkthesystemfans.
Ahot-swapfanhasbeenremoved.1.Ensurethatthesystemfansareconnectedsecurely
tothesystemboard.
2.Reinstalltheremovedfanorinstallanewfanto
replacetheremovedfan.
Thepowersupplyhasacriticalerror.
ChecktheBMCfordetailedinformation.
Apowercordhasbeendisconnectedoraredundant
powersupplyhasbeenremoved.
1.Ensurethatthepowersuppliesareinstalledsecurely.
2.Ensurethatthepowercordsareconnectedsecurely
tothepowersupplies.
3.Installanewpowersupplytoreplacetheremoved
one.
Thesystemisoverheated.
ChecktheBMCforerrorsandthencheckthesystem
fans.
3PowerbuttonwithpowerstatusLED
Youcanpressthepowerswitchtoturnontheserverwhenyoufinishsettinguptheserver.Youalsocan
holdthepowerswitchforseveralsecondstoturnofftheserverifyoucannotturnitofffromtheoperating
system.SeeChapter4“Turningonandturningofftheserver”onpage45.ThepowerstatusLEDhelpsyou
todeterminethecurrentpowerstatus.
StatusColor
Description
OnGreen
Theserverison.
Off
None
Theserverisoff.
20ThinkServerRD550UserGuideandHardwareMaintenanceManual