Perform the output diode, Module test, Troubleshooting & repair – Lincoln Electric INVERTEC V350-PRO SVM152-A User Manual
Page 67: Output diode modules test, Warning

OUTPUT DIODE MODULES TEST
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 1-800-833-9353 (WELD).
DESCRIPTION
This test will help determine if any of the output diodes are “shorted”.
MATERIALS NEEDED
Analog Voltmeter/Ohmmeter
Wiring Diagram
TROUBLESHOOTING & REPAIR
F-29
F-29
V350-PRO
WARNING
This procedure takes approximately 20 minutes to perform.