Static Scr Test - Lincoln Electric IDEALARC DC-600 Service Manual

TROUBLESHOOTING AND REPAIR
F-37 F-37

STATIC SCR TEST

WARNING
Service and repair should be performed only by 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 used to quickly determine if an SCR is shorted or "leaky." See the
Waveform Section in this manual for normal and abnormal SCR waveforms.
MATERIALS NEEDED
Analog Ohmmeter (Multimeter)
IDEALARC DC-600 wiring diagrams (See Electrical Diagrams Section of this Manual).
IDEALARC ® DC-600