Output diode test, Perform the, Perform – Lincoln Electric INVERTEC V250-S User Manual
Page 55: Troubleshooting & repair, Test description, Materials needed, Output diodes test, Warning
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TROUBLESHOOTING & REPAIR
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INVERTEC V250-S
TEST DESCRIPTION
This test will help determine if any of the output diodes are “shorted”.
MATERIALS NEEDED
Analog voltmeter/ohmmeter (Multimeter)
Wiring diagram. Note: Output diode polarity will vary with machine codes.
OUTPUT DIODES 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 precau-
tions 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