Bunn CDS-3 manual SERVICE cont, CONTROL BOARD and LEVEL PROBE cont, Removal and Replacement

SERVICE (cont.)

CONTROL BOARD and LEVEL PROBE (cont.)

Removal and Replacement:

1.Disconnect the dispenser from the power source.

2.Remove the two plugs (J1 and J7) from the main wiring harness, the potentiometer plug (J3), the photo transistor plug (J6), and the photo LED plug (J2) from the control board.

3.Remove the four #6-32 keps nuts securing the con- trol board to the hopper motor mounting panel.

4.Remove the control board.

5.Remove the four spacers from the old control board and install them into the new control board.

6.Instal the new control board using the four #6-32 keps nuts.

7.Reconnect the two plugs (J1 and J7) from the main wiring harness, the potentiometer plug (J3), the photo transistor plug (J6), and the photo LED plug (J2) to the control board. Refer to Fig. 12.

J7

J1

J3

J2 J6

P1905

FIG. 12 CONTROL BOARD WIRING

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