Lenovo System x3550 M4 - Page 139

Table14.LightpathdiagnosticspanelLEDs
•FollowthesuggestedactionsintheorderinwhichtheyarelistedintheActioncolumnuntiltheproblemis
solved.
•Ifanactionstepisprecededby"(trainedtechnicianonly),"thatstepmustbeperformedonlybyatrained
technician.
LEDDescriptionAction
ChecklogLED
Anerrorhasoccurredandcannot
beisolatedwithoutperforming
certainprocedures.
1.ChecktheIMM2systemeventlogandthesystem-error
logforinformationabouttheerror.
2.Savethelogifnecessaryandclearthelogafterwards.
System-error
LED
Anerrorhasoccurred.
1.CheckthelightpathdiagnosticsLEDsandfollowthe
instructions.
2.ChecktheIMM2systemeventlogandthesystem-error
logforinformationabouttheerror.
3.Savethelogifnecessaryandclearthelogafterwards.
WhenonlythePSLEDislit,a
powersupplyhasfailed.
Thesystemmightdetectapowersupplyerror.Completethe
followingstepstocorrecttheproblem:
1.Checkthepower-supplywithalityellowLED(see
“Power-supplyLEDs”onpage129).
2.Makesurethatthepowersuppliesareseatedcorrectly
andpluggedinagoodACoutlet.
3.Removeoneofthepowersuppliestoisolatethefailed
powersupply.
4.Makesurethatbothpowersuppliesinstalledintheserver
areofthesameACinputvoltage.
5.Replacethefailedpowersupply.
PS
PS+CONFIGWhenboththePS
andCONFIGLEDsarelit,the
powersupplyconfigurationis
invalid.
IfthePSLEDandtheCONFIGLEDarelit,thesystemissues
aninvalidpowerconfigurationerror.Makesurethatboth
powersuppliesinstalledintheserverareofthesamerating
orwattage.
OVERSPEC
Thesystemconsumptionreaches
thepowersupplyover-current
protectionpointorthepower
suppliesaredamaged.
1.IfthePwrRail(1,2,3,4,5,or6)errorwasnotdetected,
completethefollowingsteps:
a.UsethePowerConfiguratorutilitytodetermine
currentsystempowerconsumption.Formore
informationandtodownloadtheutility,goto
http://www.ibm.com/systems/bladecenter/resources/
powerconfig.html.
b.Replacethefailedpowersupply.
2.IfthePwrRail(1,2,3,4,5,or6)errorwasalsodetected,
followactionslistedin“Powerproblems”onpage148and
“Solvingpowerproblems”onpage156
.
Chapter4.Troubleshooting125