Voltage board transformer test, Troubleshooting & repair, Test description – Lincoln Electric NA-5S User Manual
Page 98: Materials needed, Warning
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TROUBLESHOOTING & REPAIR
F-45
NA-5
TEST DESCRIPTION
This test will aid the technician in determining if the transformer on the voltage board is func-
tioning properly.
MATERIALS NEEDED
5/16" Nutdriver
Phillips head screwdriver
115VAC power supply
Volt/Ohmmeter
VOLTAGE BOARD TRANSFORMER 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 15 minutes to perform.