Increase/Decrease Switch - Bunn FMD-3 Operating & Service Manual

SERVICE (cont.)

INCREASE/DECREASE SWITCH

FIG. 20 INCREASE/DECREASE SWITCH
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
(lower) position. Check for continuity between the
center terminal and the lower terminal with the
switch in the increase (upper) position. Continu-
ity must not be present when the switch is in the
center position.
If continuity is present as described, the switch is
operating properly.
If continuity is not present as described, replace the
switch.
Removal and Replacement:
1. Open the dispenser door.
2. Remove the facenut securing the increase/decrease
switch 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.
RED/BLK from Control
Board J2-6
GRN from Control
Board J2-9
BRN/BLK from Control
Board J2-1
FIG. 21 INCREASE/DECREASE SWITCH
P1642.40
28
TERMINALS
P1208
29170 091598