Lenovo ThinkServer RD640 - Replacing a System Fan

12.Slidethenewdiagnosticmoduleintothecagefromthefrontuntilitsnapsintoposition.
Figure143.Installingthediagnosticmoduleintotheleftcageofservermodelswith2.5-inchharddiskdrives
13.Connectthediagnosticmodulecabletotherearofthenewdiagnosticmodule.
14.Reinstallthefrontpanelboard.See“Replacingthefrontpanelboard”onpage165.
15.Reinstalltheleftcageandthenreconnectallcables.See“Removingandreinstallingtheleftcage”
onpage84
.
16.Ifyouareinstructedtoreturntheolddiagnosticmodule,followallpackaginginstructionsanduseany
packagingmaterialsthataresuppliedtoyouforshipping.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletethereplacement,goto“Completingthepartsreplacement”onpage184
.
Replacingasystemfan
Attention:Donotopenyourserverorattemptanyrepairbeforereadingandunderstanding“Safetyinformation”
onpageiii
and“Guidelines”onpage75.
Thistopicprovidesinstructionsonhowtoreplaceasystemfan.
Yourserversupportssixhot-swapsystemfanswithredundancy,whichmeansthatfivesystemfanscan
provideadequatecoolingwhiletheextraoneservesasaredundantsystemfan.Thisdesignhelpsyouto
avoidsignificantcoolingproblemswhenasystemfanfailsandyoucanreplaceahot-swapsystemfan
withoutturningofftheserver.
CAUTION:
Hazardousmovingparts.Keepfingersandotherbodypartsaway.
Beforeyoubegin,printalltherelatedinstructionsorensurethatyoucanviewthePDFversiononanother
computerforreference.
Note:Dependingonthemodel,yourservermightlookslightlydifferentfromtheillustrationsinthistopic.
172ThinkServerRD640UserGuideandHardwareMaintenanceManual