Lincoln Electric IDEALARC DC-1500 Service Manual page 63

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FIRING BOARD TEST PROCEDURE (continued)
L E F T S I D E
6 C R R E L A Y
6CR RELAY
15. Test the Output Pilot Relay (6CR) for opera-
tion by removing and replacing the jumper
wire repeatedly from terminal #2. See Figure
F.8. This should cause the relay contacts to
open and close. The contacts can be heard
or felt (on cover) opening and closing. If the
Output Pilot Relay (6CR) does not close when
energized, check for loose or faulty wiring.
See Wiring Diagram.
TROUBLESHOOTING AND REPAIR
FIGURE F.9 – 6CR LOCATION
IDEALARC® DC-1500
LEFT SIDE
16. Replace the Firing Board if the above voltage
and control relay tests are passed. It may be
faulty.
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