Lincoln Electric INVERTEC POWER WAVE 450 SVM112-B Service Manual page 209

F-149
– POLARITY (+21A)
+ POLARITY
– POLARITY
NOTE: Do not attempt to weld for –Polarity
(+21A). Set the number to the same as
recorded for +Polarity (+67A). Also for
+Polarity and –Polarity, move the volt-
meter sense lead from the conductor
block of the wire feeder to the positive
output terminal on the front of the
machine.
9. Turn the machine off.
Synergic 7 to the Wire feeder 2 amphenol
on the back of the Power Wave machine.
10. Put the voltmeter sense lead back on the
wire feeder conductor block and repeat
the calibration process steps 5, 6, and 7
for the following test points:
+POLARITY (+67B)
–POLARITY (+21B)
NOTE: Do not attempt to weld for –Polarity
(+21B). Set the number to the same as
recorded for +Polarity (+67B).
TROUBLESHOOTING & REPAIR
FULL VOLTAGE CALIBRATION(continued)
Connect the
POWER WAVE 450
F-149