Computer Hardware User Manual

Intermittentproblems
•FollowthesuggestedactionsintheorderinwhichtheyarelistedintheActioncolumnuntiltheproblemis
solved.
•SeeChapter7“Partslisting,RS210Types6531,6532,6533,and6534”onpage175todeterminewhich
componentsarecustomerreplaceableunits(CRU)andwhichcomponentsareeldreplaceableunits(FRU).
•Ifanactionstepisprecededby“(Trainedservicetechnicianonly),”thatstepmustbeperformedonlyby
aTrainedservicetechnician.
•GototheLenovosupportWebsiteathttp://www.lenovo.com/supporttocheckfortechnicalinformation,
hints,tips,andnewdevicedriversortosubmitarequestforinformation.
SymptomAction
Aproblemoccursonly
occasionallyandisdifcultto
diagnose.
1.Makesurethat:
•Allcablesandcordsareconnectedsecurelytotherearoftheserverand
attacheddevices.
•Whentheserveristurnedon,airisowingfromthefangrille.Ifthereisno
airow,thefanisnotworking.Thiscancausetheservertooverheatand
shutdown.
2.Checkthesystem-errorlogorIMMsystemeventlog(see“POST”onpage19).
Theserverresets(restarts)
occasionally.
1.IftheresetoccursduringPOSTandthePOSTwatchdogtimerisenabled(click
SystemSettings-->IntegratedManagementModule-->POSTWatchdog
TimerintheUEFISetupUtilityprogramtoseethePOSTwatchdogsetting),
makesurethatsufcienttimeisallowedinthewatchdogtimeoutvalue(POST
WatchdogTimer).IftheservercontinuestoresetduringPOST,see“POST”
onpage19
.
2.Iftheresetoccursaftertheoperatingsystemstarts,disableanyautomaticserver
restart(ASR)utilitiesorASRdevicesthatmaybeinstalled.
Note:ASRutilitiesoperateasoperating-systemutilitiesandarerelatedtothe
IPMIdevicedriver.Iftheresetcontinuestooccuraftertheoperatingsystem
starts,theoperatingsystemmighthaveaproblem;see“Softwareproblems”
onpage60.
3.Ifneitherconditionapplies,checkthesystem-errorlogorIMMsystemevent
log(see“POST”onpage19).
Iftheproblemremains,callforservice.
Chapter4.Diagnostics51