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TROUBLESHOOTING & REPAIR
INPUT RECTIFIER 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 troubleshooting assistance before you proceed. Call
DESCRIPTION
This test will help determine if the input rectifier has “shorted” or “open” diodes.
MATERIALS NEEDED
Analog Voltmeter/Ohmmeter (Multimeter)
5/16” Nut Driver
Phillips Head Screwdriver
Wiring Diagram
This procedure takes approximately 25 minutes to perform.
