Lincoln Electric SVM114-C service manual Figure F.24. Control Board Replacement PC Board Screw

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F-38 TROUBLESHOOTING AND REPAIR F-38

CONTROL PC BOARD REPLACEMENT (continued)

FIGURE F.24. – CONTROL BOARD REPLACEMENT.

CONTROL

PC BOARD

SCREW

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7.Remove the screws holding the control PC board to the inside of the case. Carefully remove the control board. See Figure F.24.

8.Place the new control PC board in position inside the case. Secure the control PC board by installing the screws from the outside of the case.

9.For codes 10148 and above, install the four Molex type plugs J1, J2, J3 and J4 onto the control PC board. See Figure F.20.

NOTE:For Codes above 10148 with a newer Control Board (L12253-[ ]) and a contactor, install plug J14. See Figure F.22.

10.For codes 9812 and below, install the four Molex type plugs J1, J2, J3 and J4. Also, connect the five individual leads to the control PC board. If necessary, refer to the wiring diagrams in the Electrical Diagrams Section. See Figure F.21.

11.Re-install the Contactor PC Board or Remote Control PC Board if previously removed

11.Install the control box cover and secure by installing the screws previously removed.

12.Install the wire reel and retaining collar and close the case door.

LN-25™