Lincoln Electric INVERTEC SVM199-A - Manual (Page 97)

Service and repair should only be performed 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
This test will help determine if there is a possible “open” in the SPI cable and also if the
correct supply voltages are being applied to the boards in the SPI network.
MATERIALS NEEDED
Volt/Ohmmeter
5/16” Nut Driver
Phillips Head Screwdriver
SPI CABLE RESISTANCE AND VOLTAGE TEST PROCEDURE
TROUBLESHOOTING AND REPAIR F-57 F-57
INVERTEC® V450-PRO
WARNING
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