Service (cont.) – Bunn FMD-4 User Manual

Page 28

SERVICE (cont.)

INCREASE/DECREASE SWITCH

FIG. 20 INCREASE/DECREASE SWITCH

P2635

Location:

The increase/decrease switch is located on the

lower left front of the whipper motor mounting panel.

Test Procedure:
1. Disconnect the dispenser from the power source.
2. Disconnect the wires from the switch terminals.
3. Check for continuity between the center terminal

and upper terminal with switch in the decrease
position (lower). Check for continuity between the
center terminal and the lower terminal with the
switch in the increase position (upper).

If continuity is present as described, the switch is
operating properly.
If continuity is not present as described, replace the
switch.

RED/BLK from Control
Board J2-6
GRN from Control
Board J2-9
WHI/VIO from Control
Board J2-1

FIG. 21 INCREASE/DECREASE SWITCH

TERMINALS

P1208

Removal and Replacement:
1. Open the dispenser door.
2. Remove the facenut securing the increase/de-

crease switch to the whipper motor mounting
panel.

3. Remove switch with wires attached from the back

side of the whipper motor mounting panel.

4. Disconnect the wires from the switch and discard

the switch.

5. Refer to Fig. 21 when connecting the wires to the

new switch.

6. Install new switch with wires attached through the

hole in the whipper mounting panel and secure
with facenut.

35135 012103