Figure29.PowersupplystatusLEDs
LED
Status
DescriptionAction
Off
Thepowersupplyis
disconnectedfromtheac
powersource.
Noactionisneeded.
1InputstatusLED
On,green
Thepowersupplyisconnected
totheacpowersource.
Noactionisneeded.
Off
Theserverisofforthepower
supplyisnotworkingnormally.
Replacethepowersupply.
See“Installingorreplacinga
hot-swapredundantpower
supply”onpage120
.
Blinking,green(about1
flashevery2seconds)
Thepowersupplyisincold
redundancyactivemode.
Noactionisneeded.
Blinking,green(about2
flashespersecond)
Thepowersupplyisincold
redundancysleepmode.
Noactionisneeded.
2Outputstatus
LED
On,green
Theserverisonandthepower
supplyisworkingnormally.
Noactionisneeded.
Off
Thepowersupplyisworking
normally.
Noactionisneeded. 3FaultLED
On,amber
Thepowersupplyhasfailed.
Replacethepowersupply.
See“Installingorreplacinga
hot-swapredundantpower
supply”onpage120
.
Connectingcables
Toconnectthesignalcablesfromtheinstalledhardwarecomponents,refertotherelatedinformation
inthefollowingtopics:
•“Systemboardcomponents”onpage36
•“AnyRAIDadapter,HostBusAdapter,andPCIeinterposercard”onpage28
•“Hot-swap-drivebackplane”onpage33
•“InstallingtheM.2storagemodule”onpage85
44ThinkServerRD550UserGuideandHardwareMaintenanceManual