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F-21

TROUBLESHOOTING & REPAIR

TRANSISTOR MODULE TEST

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 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).

TEST DESCRIPTION

This test will identify any problems or faults in the Transistor Module.

POWER PC BOARD

FIGURE F.8-Power Board Location

PRO-CUT 60

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Image 62
Lincoln Electric SVM104-A service manual Transistor Module Test, Test Description