Multi-Phase Output Chopper Board Lead Locations - Lincoln Electric POWER WAVE S500 Service Manual

F-41
MULTI-PHASE OUTPUT CHOKE TEST (continued)
FIGURE F.14 – MULTI-PHASE OUTPUT CHOPPER BOARD LEAD LOCATIONS
BL6
BL5
BL4
BL3
BL2
BL1
8. Check the individual choke coils to ground.
There should be a minimum of 500,000 ohms of
resistance to ground.
9. When testing is complete reconnect all of the
leads to the correct terminals and tighten
securely.
10. Perform the Case Cover Replacement
Procedure.
TROUBLESHOOTING AND REPAIR
POWER WAVE ® S500
F-41