SERVICE (cont.)

BREW SWITCH (Start) - Model CEZ

 

 

 

 

-REAR

 

 

 

 

-SIDE

 

 

 

 

FRONT

 

 

 

 

START

 

 

 

 

ON/LOWER

 

 

 

 

-REAR

 

 

 

 

-SIDE

 

 

 

 

FRONT

 

 

 

 

START

 

 

E

 

ON/LOWER

 

A

H

 

P

.

A

R

 

M

SO

E

HIG

FE

R

 

E

N D

 

 

OL

E

 

 

 

ARE

 

 

 

 

FAILU

 

 

 

 

 

 

 

 

P1849

 

FIG. 7 BREW SWITCHES

Location:

The BREW switches are located on the front of the hood.

Test Procedure:

1.

Disconnect the brewer from the power source.

2.

Disconnect the white/yellow wire from the top

 

switch terminal and the white/orange from the

 

bottom switch terminal.

3.

Check for continuity across the two terminals on

 

the switch when it is held in the lower position.

If continuity is present as described, reconnect the white/yellow wire to the top terminal and the white/ orange to the bottom terminal.

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

Removal and Replacement:

1.If switch to be removed is in the left control panel and brewer is equipped with a faucet, turn off water supply and remove faucet.

2.Remove front end cap.

3.Remove the white/yellow wire and white/orange from the BREW switch.

4.Compress the clips inside the hood and gently push the switch through the opening.

5.Push new switch into the opening and spread the clips to hold the BREW switch in the hood.

6.Refer to FIG. 8 when reconnecting the wires.

7.Replace front end cap and faucet (if removed).

WHI/YEL from

Control Board J5-1

WHI/ORA from

Control Board J5-6

Continuity must not be present across these ter-

minals when the switch is released.

FIG. 8 BREW SWITCH WIRING

P1851

Page 27

29319 091203

 

Page 27
Image 27
Bunn TWIN service manual Service Brew Switch Start Model CEZ, Bottom switch terminal, Minals when the switch is released

TWIN specifications

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