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TROUBLESHOOTING & REPAIR
F-10 F-10
IDEALARC CV-400
CONTROL TRANSFORMER (T2) VOLTAGE 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
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 216-383-2531 or 1-800-833-9353
(WELD).
DESCRIPTION
This procedure will determine if the correct voltage is being applied to the primary of the
control transformer and induced on the secondary winding of the control transformer.
MATERIALS NEEDED
Volt/ohmmeter (Multimeter)
5/16” Nut driver
IDEALARC CV-400 wiring diagrams (See the Electrical Diagrams section of this
manual.)