Lincoln Electric SVM188-A Service Manual page 49

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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
This is a quick reference guide to explain the function of the LEDs (Light Emitting Diodes)
on the PC Boards. If one (or more) of the LEDs is not performing correctly, see the test for
the individual boards
MATERIALS NEEDED
Misc Hand Tools
Wiring Diagram or Machine Schematic
TEST CONDITIONS
POWER SWITCH
MODE SWITCH
LOCAL/REMOTE Switch
OUTPUT TERMINAL SWITCH
TROUBLESHOOTING AND REPAIR
PC BOARD TROUBLESHOOTING GUIDE
WARNING
ON
CV INNERSHIELD
LOCAL
ON
DC-600
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