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V300-I
TROUBLESHOOTING & REPAIR
F-21 F-21
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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 per-
form the test / repairs safely, contact the Lincoln Electric Service Department for
electrical troubleshooting assistance before you proceed. Call 1-888-935-3877.
WARNING
CAPACITOR BALANCE TEST
TEST DESCRIPTION
This procedure will determine the condition of the capacitors,bleeder resistors and
Switch Boards.
MATERIALS NEEDED
Volt/Ohm Meter (multi-meter)
Misc. Hand Tools
Wiring Diagram (Section G)
NOTE: This procedure should only be done with the reconnect
switches and jumper set for “380-460” Volt operation and the
proper input voltage applied.