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TROUBLESHOOTING & REPAIR |
TEST AFTER SWITCH BOARD OR CAPACITOR REPLACEMENT
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 pre- cautions 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 MUST be performed after replacement of either the Switch Boards or Input Filter Capacitors.
MATERIALS NEEDED
Misc. Hand Tools
Small jumper or clip lead
Wiring Diagram (Section G)
NOTE: BOTH SWITCH BOARDS IN A MACHINE MUST HAVE IDENTICAL PART NUMBERS. THEY SHOULD ALWAYS BE CHANGED IN PAIRS EXCEPT FOR