Lenovo x3550 M5 - Page 75

Figure26.SystemboarderrorLEDs
Fortheeight2.5-inchhot-swapserverconfiguration,itwillalsocomewithanLCDoperatingpanelassembly,
whichdisplaysacurrentlistoferrorsreportedbythesystemandotherinformation.Seethe“LCDoperating
panelassembly”onpage19
formoreinformationabouttheLCDoperatingpanelassembly.
Note:TheLCDoperatingpanelassemblyisonlyinstalledintheeight2.5-inchhot-swapserverconfiguration.
Power-supplyLEDs
Usethisinformationtoviewpower-supplyLEDs.
Thefollowingminimumconfigurationisrequiredfortheservertostart:
•Onemicroprocessorinstalledinthemicroprocessorsocket1
•One4-GBDIMMinstalled
•Onepowersupply
•Onepowercord
•Fiveorsixfansinstalled:
–Forservermodelswith3.5-inchhard-disk-drivebays:fan1,2,3,5,and7installed
–Forservermodelswith2.5-inchhard-disk-drivebays:fan1,2,3,4,5,and7installed
acpower-supplyLEDs
Usethisinformationtoviewacpower-supplyLEDs.
ThefollowingminimumconfigurationisrequiredforthedcLEDonthepowersupplytobelit:
•Powersupply
•Powercord
Note:YoumustturnontheserverforthedcLEDonthepowersupplytobelit.
Thefollowingillustrationshowsthelocationsofthepower-supplyLEDsontheacpowersupply.
00
00
0
0
00
0
0000
0
0
00
00
0
AC LED (green)
DC LED (green)
Power-supply
error LED (yellow)
Figure27.acpower-supplyLEDs
Thefollowingtabledescribestheproblemsthatareindicatedbyvariouscombinationsofthepower-supply
LEDsonanacpowersupplyandsuggestedactionstocorrectthedetectedproblems.
Chapter3.Troubleshooting61