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TROUBLESHOOTING AND REPAIR
SPI CABLE RESISTANCE AND VOLTAGE TEST
WARNING
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 troubleshooting assistance before you proceed. Call
DESCRIPTION
This test will help determine if there is a possible “open” in the SPI cable and also determine if the correct supply voltages are being applied to the boards in the SPI network.
MATERIALS NEEDED
Volt/Ohmmeter
5/16” Nut Driver
This procedure takes approximately 35 minutes to perform.
