Bunn CDBCFP, S/N CDBC020213, CDBCP BREWING CIRCUIT cont, Problem, Probable Cause, Remedy

Models: CDBCP CDBCFP CDBCF S/N CDBC020213

1 35
Download 35 pages 47.44 Kb
Page 18
Image 18

TROUBLESHOOTING (cont.)

 

 

 

 

BREWING CIRCUIT (cont.)

 

 

 

 

PROBLEM

 

PROBABLE CAUSE

 

REMEDY

Brew cycle will not start (cont.)

 

8. Control board or dispense valve

If the switch panel is operating

 

 

 

 

properly, proceed as follows. At-

 

 

 

 

tach a voltmeter to the terminals

 

 

 

 

of the dispense solenoid. Connect

 

 

 

 

the brewer to the power source.

 

 

 

 

Turn on the brewer and press the

 

 

 

 

BREW switch. Voltage should be

 

 

 

 

present at the solenoid terminals.

 

 

 

 

If voltage is not present, refer to

 

 

 

 

the wiring diagrams and check

 

 

 

 

the wiring harness. If voltage is

 

 

 

 

present, check for continuity

 

 

 

 

across the terminals of the sole-

 

 

 

 

noid coil. If continuity is not

 

 

 

 

present, replace the solenoid (See

 

 

 

 

page 25). If continuity is present,

 

 

 

 

the valve may be stuck closed.

Consistently low beverage level in

1. Brew volume

the dispenser or beverage over-

 

flows dispenser

 

Set up brewer according to in- structions in section Adjustments- Brew Volumes. (See page 8) Us- ing a stop watch or second hand, time the length of the brew cycle. Record this time inside the top lid. If service is ever needed again, use the time as reference to determine if time has changed.

2.

Lime build up

Inspect the dispense valve and

 

 

spray head for excessive lime de-

 

 

posits. Delime as required.

3.

Dispense Valve

Remove dispense valve and clear

 

 

any obstructions. Rebuild or re-

 

 

place valve if necessary. (See page

 

 

25)

Page 18

35582 041503

 

Page 18
Image 18
Bunn CDBCFP, S/N CDBC020213, CDBCP service manual BREWING CIRCUIT cont, Problem, Probable Cause, Remedy