ESAB Plasmarc EPP-450 - Testing and Replacing Components

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SECTION 6 TROUBLESHOOTING
6.4 Testing and Replacing Components
• ReplaceaPCboardonlywhenaproblemisisolatedtothatboard.
• AlwaysdisconnectpowerbeforeremovingorinstallingaPCboard.
• Donotgrasporpullonboardcomponents.
• Alwaysplacearemovedboardonastaticfreesurface.
• IfaPCboardisfoundtobeaproblem,checkwithyourESABdistribu-
torforareplacement.Providethedistributorwiththepartnumberof
theboardaswellastheserialnumberofthepowersource.
• Donotattempttorepairtheboardyourself.Warrantywillbevoidedif
repairedbythecustomeroranunauthorizedrepairshop.
NOTICE
Power Semiconductor Components
Categoriesofpowersemiconductorsinclude;
• PowerRectiers
• ModulescontainingthefreewheelingdiodesandIGBTs