Lenovo 6532 Bedienungsanleitung Seite 124

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Checktheareaforelectricalhazardssuchasmoistoors,nongroundedpowerextensioncords,power
surges,andmissingsafetygrounds.
Useonlyapprovedtoolsandtestequipment.Somehandtoolshavehandlesthatarecoveredwithasoft
materialthatdoesnotprovideinsulationfromliveelectricalcurrents.
Regularlyinspectandmaintainyourelectricalhandtoolsforsafeoperationalcondition.Donotuse
wornorbrokentoolsortesters.
Donottouchthereectivesurfaceofadentalmirrortoaliveelectricalcircuit.Thesurfaceisconductive
andcancausepersonalinjuryorequipmentdamageifittouchesaliveelectricalcircuit.
Somerubberoormatscontainsmallconductiveberstodecreaseelectrostaticdischarge.Donotuse
thistypeofmattoprotectyourselffromelectricalshock.
Donotworkaloneunderhazardousconditionsornearequipmentthathashazardousvoltages.
Locatetheemergencypower-off(EPO)switch,disconnectingswitch,orelectricaloutletsothatyoucan
turnoffthepowerquicklyintheeventofanelectricalaccident.
Disconnectallpowerbeforeyouperformamechanicalinspection,worknearpowersupplies,orremove
orinstallmainunits.
Beforeyouworkontheequipment,disconnectthepowercord.Ifyoucannotdisconnectthepower
cord,havethecustomerpower-offthewallboxthatsuppliespowertotheequipmentandlockthe
wallboxintheoffposition.
Neverassumethatpowerhasbeendisconnectedfromacircuit.Checkittomakesurethatithasbeen
disconnected.
Ifyouhavetoworkonequipmentthathasexposedelectricalcircuits,observethefollowingprecautions:
Makesurethatanotherpersonwhoisfamiliarwiththepower-offcontrolsisnearyouandisavailableto
turnoffthepowerifnecessary.
Whenyouareworkingwithpowered-onelectricalequipment,useonlyonehand.Keeptheother
handinyourpocketorbehindyourbacktoavoidcreatingacompletecircuitthatcouldcausean
electricalshock.
Whenyouuseatester,setthecontrolscorrectlyandusetheapprovedprobeleadsandaccessories
forthattester.
Standonasuitablerubbermattoinsulateyoufromgroundssuchasmetaloorstripsandequipment
frames.
Useextremecarewhenyoumeasurehighvoltages.
Toensurepropergroundingofcomponentssuchaspowersupplies,pumps,blowers,fans,andmotor
generators,donotservicethesecomponentsoutsideoftheirnormaloperatinglocations.
Ifanelectricalaccidentoccurs,usecaution,turnoffthepower,andsendanotherpersontogetmedical
aid.
Workinginsidetheserverwiththepoweron
Attention:Staticelectricitythatisreleasedtointernalservercomponentswhentheserverispowered-on
mightcausetheservertohalt,whichmightresultinthelossofdata.Toavoidthispotentialproblem,
alwaysuseanelectrostatic-dischargewriststraporothergroundingsystemwhenyouworkinsidethe
serverwiththepoweron.
Youmightbeinstructedtoturnontheserverwhilethecoverisoff,tolookatsystem-boardLEDs.Follow
theseguidelineswhenyouworkinsideaserverthatisturnedon:
Avoidwearingloose-ttingclothingonyourforearms.Buttonlong-sleevedshirtsbeforeworkinginside
theserver;donotwearcufflinkswhileyouareworkinginsidetheserver.
Donotallowyournecktieorscarftohanginsidetheserver.
116HardwareMaintenanceManual
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