Lenovo x3650 M4 BD 5466 - Page 32

Thefollowingillustrationshowsthepower-supplyLEDsontherearoftheserver.
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Figure9.Power-supplyLEDs
Thefollowingtabledescribestheproblemsthatareindicatedbyvariouscombinationsofthepower-supply
LEDsandsuggestedactionstocorrectthedetectedproblems.
Table2.Power-supplyLEDsstatusandrequiredaction
Power-supplyLEDs
AC
(green)
DC
(green)
Error
(yellow)DescriptionActionNotes
OnOnOff
Normaloperation
OffOffOff
Noacpowertothe
serveroraproblem
withtheacpower
source
1.Checktheacpowertothe
server.
2.Makesurethatthepower
cordisconnectedtoa
functioningpowersource.
3.Turntheserveroffandthen
turntheserverbackon.
4.Iftheproblemremains,
replacethepowersupply.
Thisisanormal
conditionwhennoac
powerispresent.
OffOffOn
Noacpowerto
theserverora
problemwiththeac
powersourceand
thepowersupply
haddetectedan
internalproblem
1.Replacethepowersupply.
2.Makesurethatthepower
cordisconnectedtoa
functioningpowersource.
Thishappensonly
whenasecondpower
supplyisproviding
powertotheserver.
OffOnOff
Faulty
power-supply
Replacethepowersupply.
OffOnOn
Faulty
power-supply
Replacethepowersupply.
OnOffOff
Powersupply
notfullyseated,
faultysystem
board,faultypower
supply,orsystem
notpower-on
1.Reseatthepowersupply.
2.Replacethepowersupply.
3.(Trainedservicetechnician
only)Replacethesystem
board.
Typicallyindicates
thatapowersupplyis
notfullyseated.
18LenovoSystemx3650M4BDInstallationandServiceGuide