Bunn FMD-4 User Guide

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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/decrease 

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.

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