Lenovo System x3500 M4 - Light Path Diagnostics Leds

Table10.ThesuggestedactionstocorrectthedetectedproblemforeachLEDlight(continued)
LEDDescriptionAction
b.ChecktheIMM2systemeventlogand
thesystem-errorlogforinformation
abouttheerror.
c.Savethelogifnecessaryandclear
thelogafterwards.
2.Lookatthelightpathdiagnosticspanelonthefrontoftheserver.LitLEDsonthelightpathdiagnostics
panelindicatethetypeoferrorthathasoccurred.ThelightpathdiagnosticspanelLEDsarevisible
throughthebezel.See“LightpathdiagnosticsLEDs”onpage135.Lookatthesystemservice
labelonthetopoftheserver,whichgivesanoverviewofinternalcomponentsthatcorrespondto
theLEDsonthelightpathdiagnosticspanel.Thisinformationcanoftenprovideenoughinformation
todiagnosetheerror.
LightpathdiagnosticsLEDs
ThefollowingtabledescribestheLEDsonthelightpathdiagnosticspanelandsuggestedactionstocorrect
thedetectedproblems.
Lookatthelightpathdiagnosticspanelonthefrontoftheserver.LitLEDsonthelightpathdiagnostics
panelindicatethetypeoferrorthathasoccurred.ThelightpathdiagnosticspanelLEDsarevisible
throughthebezel.
•FollowthesuggestedactionsintheorderinwhichtheyarelistedintheActioncolumnuntiltheproblemis
solved.
•Ifanactionstepisprecededby'(Trainedtechnicianonly)',thatstepmustbeperformedonlybyaTrained
technician.
•GototheIBMsupportwebsiteathttp://www.lenovo.com/supporttocheckfortechnicalinformation,
hints,tips,andnewdevicedriversortosubmitarequestforinformation.
Table11.LightpathdiagnosticspanelLEDs
LEDDescriptionAction
Harddiskdrive/
RAID
Aharddiskdrivehasfailedoris
missing.ASAScontrollerora
ServeRAIDcontrollererrorhas
occurred.
1.ChecktheLEDsontheharddiskdrivesforthedrivewith
alitstatusLEDandreseattheharddiskdrive.
2.Reseattheharddiskdrivebackplane.
3.ChecktheLEDsnearSAScontrollersorServeRAID
controllersandreseatthecorrespondingcontrollers.
4.Formoreinformation,seethe.
5.Iftheerrorremains,replacethefollowingcomponents
oneatatime,intheorderlisted,restartingtheserver
aftereach:
a.Replacetheharddiskdrive.
b.Replacetheharddiskdrivebackplane.
c.ReplacetheSAScontroller.
d.ReplacetheServeRAIDcontroller.
6.Iftheproblemremains,goto
http://www.lenovo.com/support.
Fan
Afanhasfailed,isoperatingtoo
slowly,orhasbeenremoved.
1.Openthefancagecovertoreseatthefailingfan(withlit
LED).
Chapter4.Troubleshooting135