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TROUBLESHOOTING & REPAIR
POWER SUPPLY 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 elec- trical 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 troubleshoot- ing assistance before you proceed. Call
DESCRIPTION
This test will determine if all the power supplies needed to control weld, display, and idler out- put are ok. This test assumes that the CONTROL TRANSFORMER TEST has already been performed.
MATERIALS NEEDED
3/8" Wrench
5/16” Nut Driver
This procedure should take approximately 30 minutes to perform.
