Main igbt inverter board low voltage supply test, The main igbt inverter board test, Troubleshooting and repair – Lincoln Electric INVERTEC SVM161-A User Manual
Page 59: Main igbt inverter board low voltage test, 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
This test will help determine if all of the auxiliary voltages on the Main IGBT Inverter
Board are correct.
MATERIALS NEEDED
Voltmeter
Phillips Head Screwdriver
Wiring Diagram
Voltmeter
MAIN IGBT INVERTER BOARD LOW VOLTAGE TEST
TROUBLESHOOTING AND REPAIR
F-19
F-19
INVERTEC® V205-T AC/DC™
WARNING