Lenovo x3550 M5 - Page 74

Ifanerroroccurs,proceedasfollows:
1.Lookattheoperatorinformationpanel(see“Operatorinformationpanel”onpage19)onthefrontof
theserver.
•IfthechecklogLEDislit,itindicatesthatinformationaboutanun-isolatedfaultconditioninthe
serverisavailableintheIMMeventlogorinthesystem-eventlog.
•Ifthesystem-errorLEDislit,itindicatesthatanerrorhasoccurred.
2.RemovetheservercoverandlookinsidetheserverforlitLEDs.Certaincomponentsinsidetheserver
haveLEDsthatarelittoindicatethelocationofaproblem.Thesystemservicelabelinsidetheserver
coverprovidesanoverviewofinternalcomponentsthatcorrespondtoerrorsindicatedbytheoperator
informationpanelorLCDoperatingpanelassembly(see“Operatorinformationpanel”onpage19
or
“LCDoperatingpanelassembly”onpage19.Thisinformationcanoftenprovideenoughinformation
todiagnosetheerror.
Note:YoudonothavetoremovetheservercovertoviewtheLEDsonharddiskdrivesandpower
supplies.
ThefollowingillustrationshowstheLEDsonthesystemboard.
System
error
LED
System
locator
LED
Power
LED
IMM2
heartbeat
LED
Battery error LED
ServeRAID error LED
Microprocessor 1
error LED
DIMM 1- 6
error LEDs
Fan 1
error LED
Fan 2
error LED
Fan 3
error LED
Fan 4
error LED
Fan 5
error LED
Fan 6
error LED
Fan 7
error LED
Fan 8
error LED
Microprocessor 2
error LED
DIMM 19-24
error LEDs
DIMM 7-18
error LEDs
60LenovoSystemx3550M5InstallationandServiceGuide