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F-11

TROUBLESHOOTING & REPAIR

F-11

 

 

AUXILIARY TRANSFORMER 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 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).

_____________________________________________________________

TEST DESCRIPTION

This test will determine if the auxiliary transformer is functional when the correct primary volt- age is applied to the primary winding.

MATERIALS NEEDED

Volt/ohmmeter Machine wiring diagram 5/16” nut-driver

230VAC isolated power supply

INVERTEC V250-S

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Lincoln Electric V250-S service manual Auxiliary Transformer Test, Test Description, Materials Needed