Lincoln Electric 11694 Service Manual page 74

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POWER WAVE S350
REMOVAL AND REPLACEMENT PROCEDURE
REMOVAL PROCEDURE
1. Remove the input power to the Power Wave S350 machine.
2. Perform the Case Cover Removal and DC Link Capacitor
Discharge Procedure.
3. Locate the control board on the right side of the machine. See
Figure F.30.
4. Label and disconnect the ethernet cable from J15 on the control
board. See Figure F.31. See Wiring Diagram.
5. Label and disconnect plugs J4, J11, J12, J5, J6, J7, J8 and J9
from the control board. See Figure F.31. See Wiring Diagram.
6. Using a 3/8" nutdriver, remove the three nuts securing the control
board to the machine. See Figure F.32.
7. Carefully slide the control board off of the mounting studs.
8. The control board can now be replaced.
CONTROL BOARD
Figure F.30 – Control board location
TROUBLESHOOTING AND REPAIR
(continued)
CONTROL
BOARD
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