This test is used to quickly determine if an SCR or diode is shorted or "leaky." See the
Machine Waveform Section in this manual for normal and abnormal output waveforms.

MATERIALS NEEDED

Analog Volt-Ohm Meter (Multimeter).
CV-300 Wiring Diagrams (See Electrical Diagrams Section of this Manual).
1/2" Wrench.
7/16" Wrench.

STATIC OUTPUT RECTIFIER BRIDGE TEST

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) 383-2531 or (800) 833-9353 (WELD).

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WARNING