Control Board Test - Lincoln Electric 11694 Service Manual

®
POWER WAVE S350
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 troubleshooting assistance before you proceed.
Call 1-888-935-3877.
TEST DESCRIPTION
This test will help determine if the Control Board is receiving the correct supply voltages and creating the
correct output voltages to various circuits. Also the LED's status chart will provide information as to the Control
Board's functionality.
MATERIALS NEEDED
Volt/Ohmmeter (Multimeter)
Wiring Diagram

CONTROL BOARD TEST

WARNING
TROUBLESHOOTING AND REPAIR
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