2CPU1DIMMstatusLEDs
3CPU2DIMMstatusLEDs
WhenaDIMMstatusLEDislitinamber,itindicatesthatthecorrespondingmemorymoduleisoverheated.
Thefollowingillustrationshowsthememorymodulesandtheirnumbers.
Figure12.DIMMstatusLEDsandDIMMs
4AmbienttemperaturelimitLED
WhenthisLEDislitinamber,itindicatesthattheambienttemperatureisbelow7°C(44.6°F)orover40°C
(104°F),whichisnotproperforserveroperation.
5MicroprocessorstatusLEDs(alsoknownasCPUstatusLEDs)
WhenamicroprocessorstatusLEDislitinamber,itindicatesthatthecorrespondingmicroprocessoris
overheated.Forthemicroprocessorlocation(s),see“Systemboardcomponents”onpage42.
6PowersupplyerrorLEDs
WhenapowersupplyerrorLEDislitinamber,itindicatesthatthereisapowersupplyproblem.Forthe
powersupplylocation(s),see“Rearviewoftheserver”onpage25
.Toidentifythefailingpowersupply,you
alsomightcheckthestatusLEDnearthepowercordconnectorontheredundantpowersupply.Whenthe
LEDislitingreen,itindicatesthatthehot-swapredundantpowersupplyisworkingcorrectly.WhentheLED
islitinamber,itindicatesthatthehot-swapredundantpowersupplyislikelytofailorhasfailed.
24ThinkServerHardwareMaintenanceManual
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