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TROUBLESHOOTING & REPAIR | ||
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ACTIVE SCR RECTIFIER ASSEMBLY TEST
WARNING
Service and repair should be performed only by Lincoln Electric factory trained per- sonnel. Unauthorized repairs performed on this equipment could result in danger to the technician or the machine operator and will invalidate your factory warranty. For your safety and to avoid electrical shock, please observe all safety notes and pre- cautions detailed throughout this manual.
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact the Lincoln Electric service department for technical troubleshooting assistance before you proceed.
Call (216)
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TEST DESCRIPTION
The Active SCR Test will determine if the device is able to be gated ON and conduct current from anode to cathode.
MATERIALS NEEDED
An SCR Tester as specified in this procedure.
SCR Heat Sink Assembly Drawings.
