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TROUBLESHOOTING & REPAIR
OUTPUT RECTIFIER DIODES 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 trou- bleshooting assistance before you proceed. Call
TEST DESCRIPTION
The following procedure will determine whether one of the output rectifier diodes is shorted. If one of the diodes is shorted, the output rectifier assembly must be replaced.
MATERIALS NEEDED
Analog Volt/Ohmmeter (Multimeter) 5/16" Nut driver
3/8" Nut driver
Machine Wiring Diagram in the Electrical Diagrams section of this manual
This procedure takes approximately 15 minutes to perform.
