Lenovo V340 - Electrical Safety; Safety Information

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Safety information
Electrical safety
Observethefollowingruleswhenworkingonelectricalequipments.
Important:
Use only approved tools and test equipments. Some hand tools have handles
covered with a soft material that does not insulate you when working with live
electrical currents.
Many customers have rubber floor mats near their machines that contain small
conductive bers to decrease electrostatic discharges. Do not use such kind of mat
to protect yourself from electrical shock.
• Findtheroomemergency power-o󰀨(EPO) switch,disconnectingswitchor
electricaloutlet.Ifanelectricalaccidentoccurs,youcanthenoperatethe
switchorunplugthepowercordquickly.
• Donotworkalone underhazardous conditionsorneartheequipmentthat
hashazardousvoltages.
• Disconnectallpowerbefore:
– Performingamechanicalinspection
– Workingnearpowersupplies
– Removingorinstallingmainunits
• Beforeyoustarttoworkonthe machine,unplugthepowercord.Ifyou
cannotunplugit,askthecustomerto power-o󰀨the wallboxthatsupplies
powertothemachine,andtolockthewallboxintheo󰀨position.
• Ifyouneedtoworkonamachinethathasexposed electricalcircuits,
observethefollowingprecautions:
– Ensurethatanotherperson,familiarwiththepower-o󰀨controls,isnear
you.
 Attention:Anotherperson mustbetheretoswitchoffthe power,if
necessary.
– Useonlyonehandwhenworkingwithpowered-onelectricalequipment;
keeptheotherhandinyourpocketorbehindyourback.
 Attention:Anelectricalshockcanoccuronlywhenthereisacomplete
circuit.Byobservingtheabove rule,youmaypreventacurrentfrom
passingthroughyourbody.
– Whenusingtesters,setthecontrolscorrectlyanduse theapproved
probeleadsandaccessoriesforthattester.
– Standonsuitablerubbermats(obtainedlocally,ifnecessary)toinsulate
youfromgroundssuchasmetaloorstripsandmachineframes.
Observethespecialsafetyprecautionswhenyouworkwithveryhighvoltages;
instructionsfortheseprecautionsareinthe safetysectionsofmaintenance
information.Beextremelycarefulwhenyoumeasurethehighvoltages.
• Regularlyinspectandmaintainyourelectricalhandtoolsforsafeoperational
condition.
• Donotusewornorbrokentoolsandtesters.
• Neverassumethatpowerhasbeendisconnectedfromacircuit.First,check
ittomakesurethatithasbeenpoweredo󰀨.
Safety information