Lincoln Electric VANTAGE 400 - Manual (Page 114)

CHOPPER MODULE RESISTANCE TEST (CONTINUED)
TEST PROCEDURE
1. Perform the Case Cover Removal
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. Remove all of the
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.
4. Use a digital Ohmmeter to test the module per
Table F.2.
TROUBLESHOOTING & REPAIR F-66 F-66
VANTAGE® 400
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