Bunn U3 Manuales De Servicio

Page 9

FIG. 4 START SWITCH (BREW)

P1317.30

Location:
 

The brew start switch is located on the upper right 

side of the brewer component housing.
Test Procedures:

1.  Disconnect the brewer from the power source.

.  Remove  the  wires  from  the  start  switch  termi-

nals.

3.  Check for continuity across the switch terminals 

when  the  switch  is  held  in  the  lower  position. 

Continuity must not be present when the switch 

is 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.

BLU to Brew Timer or 

Brew Lockout Relay

BLK from ON/OFF Switch

ALL MODELS EXCEPT 30V - CE MODELS

BLU to Brew Timer or

Brew Lockout Relay

RED from ON/OFF

Switch

30V - CE MODELS

FIG.5 BREW START SWITCH TERMINALS

P1743

Removal and Replacement:

1.  Remove the wires from the switch terminals.

.  Compress the clips on the back side of the switch 

mounting bracket and gently push the through the 

opening.

3.  Push the new switch into the opening and spread 

the clips to hold switch in the mounting bracket.

4.  Refer to Fig. 5 and reconnect the wires.

10060  031599