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Service and repair should only be performed by 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 Weld Choke is located down and behind the work stud. This test will help determine
whether the Choke is shorted to ground or is open.
MATERIALS NEEDED
Digital Volt/Ohmmeter
CHOKE TEST PROCEDURE
TROUBLESHOOTING AND REPAIR
F-53 F-53
INVERTEC® V450-PRO
WARNING
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