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Service and repair should only be performed by 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 1-888-935-3877.
DESCRIPTION
This procedure will aid the technician in the removal and replacement of the
Control Board, Remote Board, Mode Board or Display PC Board.
MATERIALS NEEDED
3/8" Nut Driver
Anti-Static Wrist Strap
CONTROL, REMOTE, MODE OR DISPLAY PC BOARD
REMOVAL AND REPLACEMENT
TROUBLESHOOTING AND REPAIR
F-75 F-75
INVERTEC® V450-PRO
WARNING
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