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| TROUBLESHOOTING & REPAIR |
POWER MODULE CAPACITOR DISCHARGE PROCEDURE
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 trou- bleshooting assistance before you proceed. Call
TEST DESCRIPTION
This procedure will insure that the large capacitor in each chopper power module has been discharged. This procedure should be performed whenever work is to be attempt- ed on or near the power modules.
MATERIALS NEEDED
3/8" Wrench or socket wrench Volt/Ohmmeter
Resistor
This procedure should take approximately 15 minutes to perform.