Lincoln Electric SVM 122-A Welder User Manual


 
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TROUBLESHOOTING & REPAIR
F-31 F-31
LINCOLN
®
ELECTRIC
IDEALARC DC-400
ACTIVE SCR TEST (continued)
8. Remove the red insulating paint from the
heat sink test points. See Figure F.15.
NOTE: Do not disassemble the heat sinks.
FIGURE F.15 – HEAT SINK TEST POINTS