Troubleshooting & repair – Lincoln Electric MULTI-WELD SVM151-A User Manual

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TROUBLESHOOTING & REPAIR

F-36

MULTI-WELD 350

WELD CONTROL OR PERIPHERAL PC BOARD

REMOVAL AND REPLACEMENT

WARNING

Service and repair should be performed by only Lincoln Electric factory trained personnel.
Unauthorized repairs performed on this equipment may result in danger to the technician
or machine operator and will invalidate your factory warranty. For your safety and to avoid
electrical shock, please observe all safety notes and precautions detailed throughout this
manual.

If for any reason you do not understand the test procedures or are unable to perform the
test/repairs safely, contact the Lincoln Electric Service Department for electrical trou-
bleshooting assistance before you proceed. Call 1-800-833-9353 (WELD).

DESCRIPTION

The following procedure will aid the technician in removing and replacing the Weld Control
or Peripheral PC Board on the Multi-Weld 350.

MATERIALS NEEDED

3/8" Nut driver, wrench or socket wrench
5/16" Nut driver
Wiring Diagram

This procedure should take approximately 30 minutes to perform.