TROUBLESHOOTING & REPAIR
F-43
F-43
POWER WAVE 455/R
AUXILIARY TRANSFORMER NO. 1 TEST
WARNING
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 1-800-833-9353 (WELD).
TEST DESCRIPTION
This test will determine if the correct voltage is being applied to the primary of Auxiliary
Transformer No. 1 and also if the correct voltages are being induced on the secondary
windings of the transformer.
MATERIALS NEEDED
Volt-ohmmeter (Multimeter)
3/8” Nut driver
Wiring Diagram
This procedure should take approximately 30 minutes to perform.
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