Bunn TB3 Guía Del Usuario

Page 23

FIG. 14 START SWITCH

P3034

Location:

The start switch is located in the front of the hood, 

above and to the right of the brew funnel.

Test Procedure:
1.  Disconnect the brewer from the power source.
2.  Remove the wires from all four terminals.
3.  Check for continuity across the two terminals on 

the right side of the switch when it is held in the 
lower position.  Continuity must not be present 
across these terminals in the upper position.

If continuity is present as described, proceed to #4.
If continuity is not present as described, replace the 
switch.

4.  Check for continuity across the two terminals on 

the left side of the switch when it is held in the 
lower position.  Continuity must not be present 
across these terminals in the upper position.

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

Removal and Replacement:
1.  Remove the wires from the switch terminals.
2.  Compress the clips inside the hood and gently 

push the switch through the opening.

3.  Push the new switch into the opening and spread 

the clips to hold the switch captive in the hood.

4.  Refer to Fig. 15 when reconnecting the wires.

FIG. 15 START SWITCH TERMINALS

P1283

WHI/YEL to Brew 
Timer TL5

GRN to Dilution 
Timer TL5

WHI/ORN to 
Brew Timer TL3

RED/BLK to Dilu-
tion Timer TL3

37235  080204