Pc Board Replacement - Lincoln Electric LN-8 SVM132-A Service Manual

F-32 F-32
TROUBLESHOOTING AND REPAIR

PC BOARD REPLACEMENT

WARNING
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 (800) 833-9353 (WELD).
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MATERIALS NEEDED
5/16 in. nutdriver
Phillips screwdriver
The Variable Voltage board takes approximately 5 minutes to replace.
The Relay board takes approximately 5 minutes to replace.
The Control board takes approximately 5 minutes to replace.
LN-8