Lenovo System x3650 M4 HD - Page 144

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AC power
LED (green)
DC power
LED (green)
Power-supply
error LED (amber)
Figure95.ACpower-supplyLEDs
Thefollowingtabledescribestheproblemsthatareindicatedbyvariouscombinationsofthepower-supply
LEDsonanacpowersupplyandsuggestedactionstocorrectthedetectedproblems.
ACpower-supplyLEDs
ACDCError(!)DescriptionActionNotes
OnOnOff
Normaloperation.
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.
OffOffOn
Thepowersupply
hasfailed.
Replacethepowersupply.
OffOnOff
Thepowersupply
hasfailed.
Replacethepowersupply.
OffOnOn
Thepowersupply
hasfailed.
Replacethepowersupply.
OnOffOff
Power-supplynot
fullyseated,faulty
systemboard,or
thepowersupply
hasfailed.
1.Reseatthepowersupply.
2.Followactionsin“Power
problems”onpage149
.
3.Followactionsin“Solving
powerproblems”onpage
157
untiltheproblemis
solved.
Typicallyindicatesa
power-supplyisnot
fullyseated.
OnOffOn
Thepowersupply
hasfailed.
Replacethepowersupply.
OnOnOn
Thepowersupply
hasfailed.
Replacethepowersupply.
132LenovoSystemx3650M4HDInstallationandServiceGuide