Perform the keypad test, Troubleshooting & repair, Test description – Lincoln Electric IDEALARC SP-250 Manuel d'utilisation
Page 72: Materials needed, Sp-250 keypad resistance test, Warning
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TROUBLESHOOTING & REPAIR
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IDEALARC SP-250
TEST DESCRIPTION
This test will determine if any key is not functioning properly.
MATERIALS NEEDED
5/16" Nut Driver
Analog volt-ohmmeter
SP-250 KEYPAD RESISTANCE 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 pre-
cautions 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