Lenovo System x3550 M4

To Next Page

To Previous Page

Table14.LightpathdiagnosticspanelLEDs(continued)

•FollowthesuggestedactionsintheorderinwhichtheyarelistedintheActioncolumnuntiltheproblemis

solved.

•Ifanactionstepisprecededby"(trainedtechnicianonly),"thatstepmustbeperformedonlybyatrained

technician.

LEDDescriptionAction

4.Iftheerrorremains,replacethefollowingcomponentsone

atatime,intheorderlisted,restartingtheserverafter

each:

a.Replacetheharddiskdrive.

b.Replacetheharddiskdrivebackplane.

5.Iftheproblemremains,goto

http://www.ibm.com/support/entry/portal/docdisplay?

lndocid=SERV-CALL.

Power-supplyLEDs

Usethisinformationtoviewpower-supplyLEDs.

Thefollowingminimumconﬁgurationisrequiredfortheservertostart:

•Onemicroprocessorinmicroprocessorsocket1

•One2GBDIMMonthesystemboard

•Onepowersupply

•Powercord

•Fourcoolingfans(fan1,2,3,and5)

•OnePCIriser-cardassemblyinPCIconnector1

ACpower-supplyLEDs

UsethisinformationtoviewACpower-supplyLEDs.

ThefollowingminimumconﬁgurationisrequiredfortheDCLEDonthepowersupplytobelit:

•Powersupply

•Powercord

Note:YoumustturnontheserverfortheDCLEDonthepowersupplytobelit.

Thefollowingillustrationshowsthelocationsofthepower-supplyLEDsontheacpowersupply.

000

0000

Figure89.ACpower-supplyLEDs

Thefollowingtabledescribestheproblemsthatareindicatedbyvariouscombinationsofthepower-supply

LEDsonanacpowersupplyandsuggestedactionstocorrectthedetectedproblems.

Chapter4.Troubleshooting129

Lenovo System x3550 M4 - Page 143