Thehot-swapredundantpowersupplyaddsasecondsourceofpowertotheserver.Whentheserveris
populatedwithtwohot-swapredundantpowersupplies,itcanwithstandapowerlossfromeitherpower
supply.Thishelpsyouavoidsignificantinterruptiontotheoperationoftheserverwhenapowersupplyfails.
Youcanreplacethefailinghot-swapredundantpowersupplywithoutturningofftheserver.
Someservermodelscomewithonlyonepowersupply.Youcanpurchaseahot-swapredundantpower
supplyoptionfromLenovo.
CAUTION:
Hazardousmovingparts.Keepfingersandotherbodypartsaway.
CAUTION:
Neverremovethecoveronapowersupplyoranypartthathasthefollowinglabelattached.
Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislabel
attached.Therearenoserviceablepartsinsidethesecomponents.Ifyoususpectaproblemwith
oneoftheseparts,contactaservicetechnician.
Beforeyoubegin,printalltherelatedinstructionsorensurethatyoucanviewthePDFversiononanother
computerforreference.
Notes:
•TomaintaintheEMIintegrityandcoolingoftheserver,installanewhot-swapredundantpowersupply
assoonasyouremovethefailingoneorcovertheotherbaywithashieldifyouuseonepowersupply
toprovidepower.
•Yourhot-swapredundantpowersupplymightlookslightlydifferentfromtheillustrationsinthistopic.
•Useanydocumentationthatcomeswiththenewhot-swapredundantpowersupplyandfollowthose
instructionsinadditiontotheinstructionsinthistopic.
Toinstallorreplaceahot-swapredundantpowersupply,dothefollowing:
Chapter6.Installing,removing,orreplacinghardware123
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