Removingthefixedpowersupply
Usethisinformationtoremovethefixedpowersupply.
Whenyouremoveorinstallthefixedpowersupply,observethefollowingprecautions.
Statement8
CAUTION:
Neverremovethecoveronapowersupplyoranypartthathasthefollowinglabelattached.
Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislabel
attached.Therearenoserviceablepartsinsidethesecomponents.Ifyoususpectawithoneofthese
parts,contactaservicetechnician.
Readthesafetyinformationin“Safety”onpagevand“Installationguidelines”onpage31.
Ifyouarereplacingaservercomponentintheserver,youneedtoslidetheserveroutfromtherack
enclosure,turnofftheserverandperipheraldevices,anddisconnectthepowercordsandallexternalcables.
Toremovethefixedpowersupply,completethefollowingsteps.
Step1.Removethecover(see“Removingthecover”onpage157).
Attention:Toensurepropercoolingandairflow,donotoperatetheserverformorethan30
minuteswiththecoverremoved.
Step2.Disconnectthepower-supplycablesfromtheconnectorsonthesystemboardandinternal
devices;then,disengagethecablesfromanyretention-clips.
Note:Notetheroutingofallpower-supplycables;youwillroutethepower-supplycablesthe
samewaywhenyouinstallthepowersupply.
216LenovoSystemx3250M5InstallationandServiceGuide