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TROUBLESHOOTING AND REPAIR
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 pre-
cautions detailed throughout this manual.
If for any reason you do not understand the test procedures or are unable to per-
form the test / repairs safely, contact the Lincoln Electric Service Department for
electrical troubleshooting assistance before you proceed. Call 1-888-935-3877.
WARNING
WIRE SPEED POTENTIOMETER TEST
TEST DESCRIPTION
This test will help determine if the wire speed potentiometer is receiving and sending
the correct voltages..
MATERIALS NEEDED
5/16 in. nut driver
42VAC power supply
Volt-Ohmmeter