Replacing The Interface Board; Replacing An Ignition Module; Replacing An Ignitor Assembly - Frymaster OCF30 Service & Parts Manual

10. If working on the left frypot, cut the wire tie on the wiring bundle and disconnect the main wiring harness 15-pin
connector.
11. Remove the component box mounting screws.
12. Rotate the top of the component box out of the frame and carefully pull it out enough to disconnect the wiring
harness plug from the back of the box. This will leave one set of wires, enclosed in spiral wrap, connected to the
component box.
13. Remove the box and set it atop the fryer to expose the temperature probe and high-limit thermostat.
14. Unscrew the probe or thermostat from the frypot.
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15. Apply Loctite PST56765 pipe thread sealant or equivalent to the replacement part threads and screw the
replacement part into the frypot, torquing to 180 inch-pounds.
16. If replacing the ATO probe, disconnect the harness from the ATO board or extension harness. Ensure when
replacing the new probe that it does not extend past the wall of the frypot before tightening the ferrule.
17. Connect the wires from the new component as follows:
a. If replacing the temperature probe, use a pin pusher to disconnect (one at a time) the red and white leads from
the connector and insert the corresponding leads from the new probe into the plug..
b. If replacing the high-limit thermostat, use a pin pusher to disconnect the lead running to the connector and
insert the corresponding lead from the new thermostat.
c. Disconnect the other lead from the drain safety switch and connect the remaining lead from the new
thermostat.
18. Reverse steps 1 through 13 to complete the procedure.

1.9.3 Replacing the Interface Board

1. Perform steps 1 through 4 from section 1.9.1.
2. Disconnect the wires attached to the interface board, marking or making a note of the wires and terminals to
facilitate reconnection.
3. Remove the nuts at each corner of the interface board and carefully pull it from the studs far enough to allow the
connector on the back of the board to be disconnected, then remove the board from the box. When removing the
board, be careful not to lose the spacers that fit over the studs behind the board.
4. Recover the relay(s) from the failed interface board and install on the replacement board.
5. Reverse the procedure to install the replacement board, being sure that the spacers behind the board are in place
and the computer locator ground wire is attached to a stud.

1.9.4 Replacing an Ignition Module

1. Disconnect the fryer from the electrical supply.
2. Remove the screws on the bottom of the bezel. Carefully lower the bezel.
3. Remove the top two screws in the upper corners of the controller.
4. Swing the controller out from the top and allow it to rest on its hinge tabs.
5. Loosen the nuts attached to the screws of the module. Slide the module towards the rear of the component box
until the nuts drop through the keyholes.
6. Carefully rotate the module and pull forward. On some units it may be necessary to remove the blower.
7. Disconnect the wires from the ignition module, marking or making a note of the wires and terminals to facilitate
reconnection.
8. Remove the screws from the module.
9. Move the screws and spacers to the new module.
10. Reverse the procedure to install the replacement module.

1.9.5 Replacing an Ignitor Assembly

Drain the frypot or remove the handle from the drain valve before proceeding further.
1. Disconnect the fryer from the electrical supply.
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