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F-35
TROUBLESHOOTING & REPAIR
F-35
INVERTEC V250-S
TEST DESCRIPTION
This check will aid the technician in the understanding and evaluation of the V250-S protec-
tion circuit.
MATERIALS NEEDED
Voltmeter/ohmmeter (Multimeter)
Machine wiring diagram
Protection circuit simplified wiring diagram
PROTECTION CIRCUIT 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).
_____________________________________________________________
WARNING