Lenovo System x3250 M4 - Page 108

Power-cord
connector
USB 1-2 connector
USB 3-4 connector
Serial
connector
Video
connector
Ethernet 1
activity LED
Ethernet 1
link LED
Ethernet 2
activity LED
Ethernet 2
link LED
PCI slot 1
PCI slot 2
AC Power LED
(green)
DC Power LED
(green)
Power-supply
error LED
(amber)
NMI button
Figure27.LEDsandconnectorsontherearofthefixedpower-supplymodel
ThefollowingillustrationshowstheLEDsandconnectorsontherearoftheredundantpower-supplymodel.
AC
DC
AC
DC
Power-cord
connector
USB 1-2 connector
USB 3-4 connector
Serial
connector
Video
connector
Ethernet 1
activity LED
Ethernet 1
link LED
Ethernet 2
activity LED
Ethernet 2
link LED
PCI slot 1
PCI slot 2
AC Power LED
(green)
DC Power LED
(green)
Power-supply
error LED
(amber)
NMI button
Figure28.LEDsandconnectorsontherearoftheredundantpower-supplymodel
Thefollowingtabledescribestheproblemsthatareindicatedbyvariouscombinationsofthepower-supply
LEDsandsuggestedactionstocorrectthedetectedproblems.
Table13.Power-supplyLEDs
ACPower-supplyLEDs
ACDC
Error
DescriptionActionNotes
OnOnOff
Normal
operation
OffOffOff
Noacpower
totheserveror
aproblemwith
theacpower
source.
1.Checktheacpowertotheserver.
2.Makesurethatthepowercordis
connectedtoafunctioningpower
source.
3.Restarttheserver.Iftheerrorremains,
checkthepower-supplyLEDs.
4.Iftheproblemremains,replacethe
power-supply.
Thisisanormal
conditionwhenno
acpowerispresent.
94LenovoSystemx3250M4InstallationandServiceGuide