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TROUBLESHOOTING & REPAIR
CAPACITOR BALANCE 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
TEST DESCRIPTION
This test will help determine if the capacitors, bleeder resistors and switch boards are func- tioning properly.
MATERIALS NEEDED
5/16" Nut driver
Analog Volt/ohmmeter (Multimeter)
Note: Component locations and disassembly procedures may
vary slightly on STT II models
