Lincoln Electric POWER WAVE C300 Service Manual page 38

TROUBLESHOOTING AND REPAIR
F-19 F-19
CONTROL BOARD TEST PROCEDURE
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
Voltmeter/Ohmmeter (Multimeter)
MATERIALS NEEDED
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.
POWER WAVE® C300