Lenovo x3650 M5 - Page 85

ACpower-supplyLEDs
ACDCError(!)DescriptionActionNotes
stepsin“Powerproblems”on
page91and“Solvingpower
problems”onpage101
until
theproblemissolved.
OnOffOn
Thepowersupply
hasfailed.
Replacethepowersupply.
OnOn/
Blinking
On
Thepowersupply
hasfailed.
Replacethepowersupply.
DCpower-supplyLEDs
UsethisinformationtoviewDCpower-supplyLEDs.
Thefollowingillustrationshowsthelocationsofthepower-supplyLEDsonthedcpowersupply.
Power input LED
Power output LED
Power error LED
-48V
Ground
-48V return
Figure45.DCpower-supplyLEDs
Thefollowingtabledescribestheproblemsthatareindicatedbyvariouscombinationsofthepower-supply
LEDsonadcpowersupplyandsuggestedactionstocorrectthedetectedproblems.
DCpower-supplyLEDs
INOUTError(!)DescriptionActionNotes
OnOn/
Blinking
Off
Normaloperation.
WhentheOUTLED
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.
Thisisanormal
conditionwhennoac
powerispresent.
Chapter3.Troubleshooting73