Lenovo ThinkStation E31 - Voltage-Selection Switch; Safety Inspection Guide

Voltage-selectionswitch
Somecomputersareequippedwithavoltage-selectionswitchlocatednearthepower-cordconnection
pointonthecomputerandsomecomputersdonothaveavoltage-selectionswitch.Beforeyouinstall
yourcomputerorrelocateyourcomputertoanothercountryorregion,youmustbecertainthatyouhave
matchedyourcomputertothevoltageavailableatyourelectricaloutlet.
CAUTION:
Youmustknowthevoltageoftheelectricalconnection(outlet)whereyourcomputerwillbe
connected.Ifyoudonotknowthevoltage,contactyourlocalelectriccompanyorrefertoofcial
Websitesorotherliteraturefortravelerstothecountryorregionwhereyouarelocated.
Ifyourcomputerhasavoltage-selectionswitch,youmustsettheswitchtomatchthevoltageavailableat
yourelectricaloutlet.Settingthevoltage-selectionswitchincorrectlywillcausethecomputertomalfunction
andmightcausepermanentdamagetothecomputer.Donotconnectthecomputertoanelectrical
outletuntilyouhaveveriedthatthevoltage-selectionswitchsettingmatchesthevoltageavailableatthe
electricaloutlets.
Ifyourcomputerdoesnothaveavoltage-selectionswitch,inspectthevoltage-ratinglabelonthebottomof
thecomputerandnotethefollowing:
•Ifthevoltage-ratinglabelshowsarangeofeither“100-127V”or“200-240V,”youmustensurethatthe
voltageprovidedattheelectricaloutletmatchesthevoltageratingonthecomputerlabel.Ifitdoes
notmatch,donotattempttoconnectthecomputertotheelectricaloutlet,unlessanexternaldevice
suchasavoltage-convertingtransformerisused.
•Ifthevoltage-ratinglabelshowsadualrangeof“100-127V”and“200-240V,”thissigniesthatthe
computerissuitableforworldwideoperationandthecomputerwillautomaticallyadjusttothevoltageat
theelectricaloutletregardlessofthecountryorregionwherethecomputerisbeingconnected.
Safetyinspectionguide
Theintentofthisinspectionguideistoassistyouinidentifyingpotentiallyunsafeconditionsonthese
products.Eachmachine,asitwasdesignedandbuilt,hadrequiredsafetyitemsinstalledtoprotectusers
andservicepersonnelfrominjury.Thisguideaddressesonlythoseitems.However,goodjudgmentshould
beusedtoidentifypotentialsafetyhazardsduetoattachmentoffeaturesoroptionsnotcoveredbythis
inspectionguide.
Ifanyunsafeconditionsarepresent,youmustdeterminehowserioustheapparenthazardcouldbeand
whetheryoucancontinuewithoutrstcorrectingtheproblem.
Considertheseconditionsandthesafetyhazardstheypresent:
•Electricalhazards,especiallyprimarypower(primaryvoltageontheframecancauseseriousorfatal
electricalshock).
•Explosivehazards,suchasadamagedCRTfaceorbulgingcapacitor
•Mechanicalhazards,suchaslooseormissinghardware
Theguideconsistsofaseriesofstepspresentedinachecklist.Beginthecheckswiththepoweroff,and
thepowercorddisconnected.
Checklist:
1.Checkexteriorcoversfordamage(loose,broken,orsharpedges).
2.Power-offthecomputer.Disconnectthepowercord.
Chapter2.Safetyinformation5