LED
Status
DescriptionAction
Solidoff
Thememorymodules
areoperatingatanormal
temperature.
4Memorymodule
statusLED
Solidon(amber)Oneormorememorymodules
areoverheated.
ChecktheBMCforerrorsand
runthediagnosticprograms.
See“LenovoThinkServer
Diagnostics”onpage14
.
Solidoff
Themicroprocessorsare
operatingatanormal
temperature.
5Microprocessor
statusLED(alsoknown
asCPUerrorLED)
Solidon(amber)Oneormoremicroprocessorsare
overheated.
ChecktheBMCforerrorsand
runthediagnosticprograms.
See“LenovoThinkServer
Diagnostics”onpage14
.
IntelligentDiagnosticsModulePremium(IDMPremium)
TheIDMPremiumisavailableinsomemodelstoprovideadvanceddiagnosticfunctions.Thefollowing
illustrationshowsthediagnosticLEDsontheIDMPremiumpanel.
Figure10.IDMPremiumpanel
1SystemfanerrorLEDs
4AmbienttemperaturelimitLED
2CPU1DIMMstatusLEDs
5MicroprocessorstatusLEDs
3CPU2DIMMstatusLEDs
6PowersupplyerrorLEDs
24ThinkServerRD640UserGuideandHardwareMaintenanceManual