Lincoln Electric IDEALARC CV-305 - Manual (Page 57)

Service and repair should be performed by only Lincoln Electric factory trained personnel.
Unauthorized repairs performed on this equipment may result in danger to the technician
or machine operator and will invalidate your factory warranty. For your safety and to avoid
electrical shock, please observe all safety notes and precautions detailed throughout this
manual.
If for any reason you do not understand the test procedures or are unable to perform the
test/repairs safely, contact the Lincoln Electric Service Department for electrical trou-
bleshooting assistance before you proceed. Call 1-888-935-3877.
TEST DESCRIPTION
The Active SCR Test will determine if the device is able to be gated ON and conduct cur-
rent from anode to cathode.
MATERIALS NEEDED
An SCR Tester as specified in this procedure
IDEALARC CV-300 wiring diagrams (See
Electrical Diagrams Section of this Manual)
Output Rectifier Bridge Heat Sink Assembly Drawings
ACTIVE SCR RECTIFIER ASSEMBLY TEST PROCEDURE
WARNING
TROUBLESHOOTING & REPAIR F-25 F-25
IDEALARC® CV-305
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