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F-30
TROUBLESHOOTING & REPAIR
F-30
IDEALARC DC-1000
Service and repair should be performed only by Lincoln Electric factory trained personnel.
Unauthorized repairs performed on this equipment could result in danger to the technician or
the 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
tests/repairs safely, contact the Lincoln Electric Service Department for technical trou-
bleshooting assistance before you proceed.
Call (216) 383-2531 or (800) 833-9353 (WELD).
_____________________________________________________________
STATIC SCR TEST
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-1000 Wiring Diagrams (See Electrical Diagram Section of Manual).
WARNING