Lenovo ThinkServer RD440 - Installing or Replacing a Heat Sink

5.Connectthepowercordtothepowercordconnectoronthenewhot-swapredundantpowersupply.
Then,checkthestatusLEDnearthepowercordconnector.WhentheLEDislitingreen,itindicates
thatthehot-swapredundantpowersupplyisworkingcorrectly.WhentheLEDislitinamber,itindicates
thatthehot-swapredundantpowersupplyislikelytofailorhasfailed.Reinstallthenewhot-swap
redundantpowersupplytoseeiftheproblemcanbesolved.Ifthenewhot-swapredundantpower
supplystilldoesnotworkcorrectly,contactyourplaceofpurchaseoraservicerepresentativeforhelp.
6.Ifyouareinstructedtoreturntheoldhot-swapredundantpowersupply,followallpackaginginstructions
anduseanypackagingmaterialsthataresuppliedtoyouforshipping.
Installingorreplacingaheatsink
Attention:Donotopenyourserverorattemptanyrepairbeforereadingandunderstanding“Safetyinformation”
onpageiii
and“Guidelines”onpage87.
Thistopicprovidesinstructionsonhowtoinstallorreplaceaheatsink.
CAUTION:
Theheatsinkmightbeveryhot.Turnofftheserverandwaitthreetofiveminutestolettheserver
coolbeforeremovingtheservercover.
Beforeyoubegin,printalltherelatedinstructionsorensurethatyoucanviewthePDFversiononanother
computerforreference.
Note:Dependingonthemodel,yourservermightlookslightlydifferentfromtheillustrationsinthistopic.
Toinstallorreplaceaheatsink,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandtheserver.Then,disconnectall
powercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtotheserver.
2.Iftheserverisinstalledinarackcabinet,removetheserverfromtherackcabinetandplaceitonaflat,
clean,andstatic-protectivesurface.SeetheRackInstallationInstructionsthatcomeswiththeserver.
3.Removetheservercover.See“Removingtheservercover”onpage89.
4.Removethecoolingshroud.See“Removingandreinstallingthecoolingshroud”onpage97.
5.Locatetheheatsinkortheplaceforinstallingthesecondheatsink.See“Servercomponents”on
page34.
Chapter6.Installing,removing,orreplacinghardware139