Perform the main transformer, Test, The main transformer – Lincoln Electric IDEALARC R3R-500 User Manual
Page 53: Perform the main trans, Former test, Troubleshooting & repair, Warning main transformer (t1) voltage test
TROUBLESHOOTING & REPAIR
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IDEALARC R3R
WARNING
MAIN TRANSFORMER (T1) VOLTAGE TEST
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 test will determine if the correct voltages are being applied to the primary windings of
the Main Transformer (T1) and induced on the secondary winding, auxiliary windings, and
phase angle windings.
MATERIALS NEEDED
Volt/Ohmmeter (Multimeter)
5/16” Nut driver
IDEALARC R3R Wiring Diagrams (See the Electrical Diagrams section of this manual.)
This procedure takes approximately 25 minutes to perform.