Lenovo System x3650 M5 - Power-Supply Leds

Power-supplyLEDs
Thefollowingminimumconfigurationisrequiredfortheservertostart.
•Onemicroprocessorinmicroprocessorsocket1
•One4GBDIMMonthesystemboard
•Onepowersupply
•Powercord
•Fourcoolingfans(fan1,2,3,and5)
ACpower-supplyLEDs
ThefollowingminimumconfigurationisrequiredfortheDCLEDonthepowersupplytobelit:
•Powersupply
•Powercord
Note:YoumustturnontheserverfortheDCLEDonthepowersupplytobelit.
Thefollowingillustrationshowsthelocationsofthepower-supplyLEDsontheacpowersupply.
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Ethernet
link LED
Ethernet
activity LED
AC power
LED (green)
DC power
LED (green)
Power-supply
error LED (yellow)
System power LED
System error LED
Locator batton / LED
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Figure52.ACpower-supplyLEDs
Thefollowingtabledescribestheproblemsthatareindicatedbyvariouscombinationsofthepower-supply
LEDsonanacpowersupplyandsuggestedactionstocorrectthedetectedproblems.
ACpower-supplyLEDs
ACDCError(!)DescriptionActionNotes
OnOn/
Blinking
Off
Normaloperation.
WhentheDCLED
isblinkingasa1Hz
rate,thePSUisat
STANDBYmode,i.e.
noDCpoweroutput
fromthisPSU
OffOffOff
Noacpowertothe
serveroraproblem
withtheacpower
source.
1.Checktheacpowertothe
server.
2.Makesurethatthepower
cordisconnectedtoa
functioningpowersource.
3.Restarttheserver.Ifthe
errorremains,checkthe
power-supplyLEDs.
4.Iftheproblemremains,
replacethepower-supply.
Thisisanormal
conditionwhennoac
powerispresent.
Chapter3.Troubleshooting75