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F-32

F-32

TROUBLESHOOTING & REPAIR

INPUT CONTACTOR TEST

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 elec- trical shock, please observe all safety notes and precautions detailed throughout this manu- al.

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 216-383-2531 or 1-800-833-9353 (WELD).

TEST DESCRIPTION

This test will help determine if the input contactor is receiving the correct coil voltage and if the contacts are functioning correctly.

MATERIALS NEEDED

Volt/ohmmeter (Multimeter) 3/8” Nut driver

DC-655 Wiring Diagram External 120 VAC supply

IDEALARC DC-655

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Lincoln Electric DC-655 service manual Input Contactor Test