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NA-5
F-38
TROUBLESHOOTING & REPAIR
F-38
TEST DESCRIPTION
This will help determine if the power and logic boards are supplying the correct DC voltages
to the NA-5 circuitry.
MATERIALS NEEDED
5/16" Nutdriver
Volt/Ohmmeter (Multimeter)
Wiring diagram
DC POWER SUPPLY TEST
Service and repair should be performed only by Lincoln Electric factory trained per-
sonnel. Unauthorized repairs performed on this equipment could result in danger to
the technician or the machine operator and will invalidate your factory warranty. For
your safety and to avoid electrical shock, please observe all safety notes and precau-
tions detailed throughout this manual.
If for any reason you do not understand the test procedures or are unable to perform
the tests/repairs safely, contact the Lincoln Electric service department for technical
troubleshooting assistance before you proceed.
Call (216) 383-2531 or (800) 833-9353 (WELD).
_____________________________________________________________
WARNING
This procedure takes approximately 16 minutes to perform.
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