Static Scr Test - Lincoln Electric IDEALARC DC-1500 Service Manual

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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 1-888-935-3877.
TEST DESCRIPTION
The Static SCR Test is a quick check to determine if an SCR is shorted or "leaky". See
machine waveform section for normal and abnormal SCR waveforms.
MATERIALS NEEDED
Analog ohmeter Volt/Ohm Meter (Multimeter)
DC-1500 Wiring Diagrams (See Electrical Diagram Section of Manual).
TROUBLESHOOTING AND REPAIR
STATIC SCR TEST PROCEDURE
WARNING
IDEALARC® DC-1500
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