Lenovo System x3250 M4 - Guidelines for Trained Service Technicians; Inspecting for Unsafe Conditions

Antesdeinstalaresteproducto,lealainformacióndeseguridad.
Lässäkerhetsinformationeninnanduinstallerardenhärprodukten.
Buürünükurmadanöncegüvenlikbilgileriniokuyun.
Guidelinesfortrainedservicetechnicians
Thissectioncontainsinformationfortrainedservicetechnicians.
Inspectingforunsafeconditions
Usethisinformationtohelpyouidentifypotentialunsafeconditionsinadevicethatyouareworkingon.
Eachdevice,asitwasdesignedandmanufactured,hasrequiredsafetyitemstoprotectusersandservice
techniciansfrominjury.Theinformationinthissectionaddressesonlythoseitems.Usegoodjudgment
toidentifypotentialunsafeconditionsthatmightbecausedbyunsupportedalterationsorattachmentof
unsupportedfeaturesoroptionaldevicesthatarenotaddressedinthissection.Ifyouidentifyanunsafe
condition,youmustdeterminehowseriousthehazardisandwhetheryoumustcorrecttheproblembefore
youworkontheproduct.
Considerthefollowingconditionsandthesafetyhazardsthattheypresent:
•Electricalhazards,especiallyprimarypower.Primaryvoltageontheframecancauseseriousorfatal
electricalshock.
•Explosivehazards,suchasadamagedCRTfaceorabulgingcapacitor.
•Mechanicalhazards,suchaslooseormissinghardware.
Toinspecttheproductforpotentialunsafeconditions,completethefollowingsteps:
1.Makesurethatthepowerisoffandthepowercordsaredisconnected.
2.Makesurethattheexteriorcoverisnotdamaged,loose,orbroken,andobserveanysharpedges.
3.Checkthepowercords:
•Makesurethatthethird-wiregroundconnectorisingoodcondition.Useametertomeasure
third-wiregroundcontinuityfor0.1ohmorlessbetweentheexternalgroundpinandtheframeground.
•Makesurethatthepowercordsarethecorrecttype.
•Makesurethattheinsulationisnotfrayedorworn.
4.Removethecover.
viLenovoSystemx3250M4InstallationandServiceGuide