Lenovo THINKSERVER 1010 Manuale Utente Pagina 33

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Chapter6.ReplacingFRUs
Important:BeforeyoureplacingFRUs,makesurethattheserverisworkingcorrectly.Starttheserver,and
makesurethattheoperatingsystemstarts,ifanoperatingsystemisinstalled.Iftheserverisnotworking
correctly,seetheChapter4“Diagnostics”onpage13
fordiagnosticinformation.
ThischapterprovidesdetailedinstructionsforreplacingFRUsinyourserver.
Attention
DonotopenyourserverorattemptanyrepairbeforereadingandunderstandingtheChapter1Aboutthis
manual”onpage1andtheSafetyInformationbook.ToobtainacopyoftheSafetyInformationbook,
goto:http://www.lenovo.com/support
Guidelinesfortrainedservicetechnicians
Thissectioncontainsinformationfortrainedservicetechnicians.
Inspectingforunsafeconditions
UsetheinformationinthissectiontohelpyouidentifypotentialunsafeconditionsinaLenovoproductthat
youareworkingon.EachLenovoproduct,asitwasdesignedandmanufactured,hasrequiredsafetyitems
toprotectusersandservicetechniciansfrominjury.Theinformationinthissectionaddressesonlythose
items.Usegoodjudgmenttoidentifypotentialunsafeconditionsthatmightbecausedbynon-Lenovo
alterationsorattachmentofnon-Lenovofeaturesoroptionsthatarenotaddressedinthissection.Ifyou
identifyanunsafecondition,youmustdeterminehowseriousthehazardisandwhetheryoumustcorrect
theproblembeforeyouworkontheproduct.
Considerthefollowingconditionsandthesafetyhazardsthattheypresent:
Electricalhazards,especiallyprimarypower.Primaryvoltageontheframecancauseseriousorfatal
electricalshock.
Explosivehazards,suchasadamagedCRTfaceorabulgingcapacitor.
Mechanicalhazards,suchaslooseormissinghardware.
Toinspecttheproductforpotentialunsafeconditions,completethefollowingsteps:
1.Makesurethatthepowerisoffandthepowercordisdisconnected.
2.Makesurethattheexteriorcoverisnotdamaged,loose,orbroken,andobserveanysharpedges.
3.Checkthepowercord:
Makesurethatthethird-wiregroundconnectorisingoodcondition.Useametertomeasure
third-wiregroundcontinuityfor0.1ohmorlessbetweentheexternalgroundpinandtheframeground.
Makesurethatthepowercordisthecorrecttype.
Makesurethattheinsulationisnotfrayedorworn.
4.Removethecover.
5.Checkforanyobviousnon-Lenovoalterations.Usegoodjudgmentastothesafetyofanynon-Lenovo
alterations.
6.Checkinsidetheserverforanyobviousunsafeconditions,suchasmetallings,contamination,wateror
otherliquid,orsignsofreorsmokedamage.
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