Lincoln Electric VANTAGE 400 Service Manual page 114

F-66
CHOPPER MODULE RESISTANCE TEST (CONTINUED)
TEST PROCEDURE
1. Perform the
Procedure.
2. Perform the Capacitor Discharge Procedure.
3. Check that all of the leads connected to the
chopper module terminals are clearly marked
to facilitate reassembly.
leads from the chopper module and position
them so they do not make electrical contact
with any part of the module. See the wiring
diagram.
TROUBLESHOOTING & REPAIR
Case Cover Removal
Remove all of the
VANTAGE® 400
4. Use a digital Ohmmeter to test the module per
Table F.2.
F-66