Troubleshooting & repair, Materials needed, Warning – Lincoln Electric NA-5S User Manual
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TROUBLESHOOTING & REPAIR
F-73
NA-5
DIGITAL METER AND METER PC BOARD REMOVAL AND REPLACEMENT
DESCRIPTION
The following procedure will help the technician remove the digital meters and meter PC
boards for repair or replacement.
MATERIALS NEEDED
5/16" Nutdriver
Phillips head screwdriver
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 meter PC Board portion of this procedure takes approximately 8 minutes to perform.
The total Meter PC Board and Meter Replacement procedure takes approximately 15 minutes to perform.