Lenovo System x3250 M5 - Power-Supply Leds

Table12.ThesuggestedactionstocorrectthedetectedproblemforeachLEDlight(continued)
LEDDescriptionAction
IMM2heartbeatLED
Indicatesthestatusofthebootprocessof
theIMM2.
Whentheserverisconnectedtopower
thisLEDflashesquicklytoindicatethatthe
IMM2codeisloading.Whentheloading
iscomplete,theLEDstopsflashingbriefly
andthenflashesslowlytoindicatethatthe
IMM2iffullyoperationalandyoucanpress
thepower-controlbuttontostarttheserver.
IftheLEDdoesnotbeginflashingwithin30
secondsofwhentheserverisconnectedto
power,completethefollowingsteps:
1.(Trainedtechnicianonly)Recoverthe
firmware(see“Recoveringtheserver
firmware(UEFIupdatefailure)”onpage
143
).
2.(Trainedtechnicianonly)Replacethe
systemboard.
MicroprocessorerrorLED
Microprocessorhasfailed,ismissing,or
hasbeenincorrectlyinstalled.
Note:(Trainedtechnicianonly)Make
surethatthemicroprocessorisinstalled
correctly,see“Replacingamicroprocessor
andheatsink”onpage242
.
1.Checkthesystem-eventlogto
determinethereasonforthelitLED.
2.(Trainedtechnicianonly)Reseatthe
failingmicroprocessor.
3.Replacethefollowingcomponentsone
atatime,intheordershown,restarting
theservereachtime:
a.(Trainedtechnicianonly)Failing
microprocessor.
b.(Trainedtechnicianonly)System
board.
Slot1to2errorLEDsAPCIeslotdevicehasfailedorisincorrectly
installed.
1.Checkthesystem-eventlogto
determinethereasonforthelitLED.
2.RemovetheslotPCIedevicethathas
theliterrorLED.
3.Reseatthefailingdevice.
4.Replacethefollowingcomponentsone
atatime,intheordershown,restarting
theservereachtime:
a.PCIedevice.
b.(Trainedtechnicianonly)System
board.
System-boarderrorLEDSystem-boardCPUVRDand/orpower
voltageregulatorshavefailed.
(Trainedtechnicianonly)Replacethe
systemboard.
RTMMheartbeatLED
Power-onandpower-offsequencing.1.IftheLEDflashesat1Hz,itis
functioningproperlyandnoactionis
necessary.
2.(Trainedtechnicianonly)IftheLEDis
notflashing,replacethesystemboard.
Power-supplyLEDs
Thissectiondescribesthepower-supplyLEDsontherearoftheserverandthesuggestedactionsto
correctthedetectedproblems.
Thefollowingminimumconfigurationisrequiredfortheservertostart:
•Onemicroprocessor
•One1GBDIMM
•Powersupply
Chapter4.Troubleshooting119