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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
This test will determine if the correct voltages are being applied to the primary windings
of the main transformer and that the voltages from secondary windings, the auxiliary wind-
ings and the phase angle windings are correct.
MATERIALS NEEDED
Misc. Hand Tools
Multimeter
Wiring Diagram or Machine Schematic
MAIN TRANSFORMER VOLTAGE TEST
TROUBLESHOOTING AND REPAIR
F-21 F-21
DC-600
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WARNING