Lincoln Electric SVM123-A Welding System User Manual


 
F-36
TROUBLESHOOTING & REPAIR
F-36
3. Remove the red insulating paint
from heat sink test points. See
Figure F.16.
4. Perform test procedure as follows.
Refer to Figure F.17. Repeat test
for all six SCRs.
NOTE: Do not disassemble the heat
sinks.
ACTIVE SCR TEST
IDEALARC DC-1000
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FIGURE F.16 - Heat Sink Assembly Test Points