Inverter Board And Output Diodes Resistance Test - Lincoln Electric INVERTEC 300 TP Service Manual

INVERTER BOARD AND OUTPUT DIODES RESISTANCE 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 your Local Lincoln Electric Service Department for electrical troubleshooting
assistance before you proceed.
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TEST DESCRIPTION
This test will help to determine if the power section of the inverter board is working correctly. This test will not indicate
if the entire board is fuctional.
MATERIALS NEEDED
Multimeter
Machine schematic
PH02 screw driver