Bunn CDBC User Manual

BUNN
®
CAUTION
CEZ, CEZF
CDBC, CDBCF
CDBCP, CDBCFP
S/N prior to CDBC020213
OPERATING & SERVICE MANUAL
BUNN-O-MATIC CORPORATION
POST OFFICE BOX 3227
SPRINGFIELD, ILLINOIS 62708-3227
PHONE: (217) 529-6601 FAX: (217) 529-6644
29079.0000H 04/03 ©1998 Bunn-O-Matic Corporation www.bunnomatic.com

Bunn CDBC Specifications

General

Brand	Bunn
Model	CDBC
Category	Coffee Maker
Language	English

Summary

User Notices and Safety Information

General Safety Warnings

Crucial safety advisories for operating the brewer.

Specific Warning Labels and Their Meanings

Explanations of specific warning labels on the equipment.

Troubleshooting Common Issues

General Troubleshooting Precautions

Safety and general advice before troubleshooting.

Control Board Troubleshooting

Troubleshooting Refill Circuit Issues

Refill Circuit: Brewer Will Not Fill or Refill

Diagnosing and fixing refill circuit problems.

Troubleshooting Refill Circuit (cont.)

Refill Circuit: Fill/Refill Does Not Shut OFF

Troubleshooting fill/refill not shutting off.

Troubleshooting Heating Circuit Issues

Heating Circuit: Water Does Not Heat Properly

Diagnosing and fixing water heating problems.

Troubleshooting Heating Circuit (cont.)

Heating Circuit: Spitting or Excessive Steaming

Addressing spitting or steaming issues.

Troubleshooting Brewer Unusual Noises

Identifying causes of unusual brewer noises.

Troubleshooting Brewing Circuit Issues

Brewing Circuit: Brew Cycle Will Not Start

Diagnosing why the brew cycle won't begin.

Troubleshooting Brewing Circuit (cont.)

Brewing Circuit: Low Beverage Level or Overflow

Addressing issues with low beverage levels or overflow.

Brewing Circuit: Dripping from Spray Head

Diagnosing and fixing spray head dripping.

Brewing Circuit: Dry Coffee Grounds Remain in Funnel

Fixing issues with dry grounds left in the funnel.

Brewing Circuit: Weak Beverage

Troubleshooting causes of weak beverage.

Brewing Circuit: Low Beverage Serving Temperature

Brewer Diagnostics and Fault Codes

Diagnostic Flash Codes and Causes

Interpreting indicator flashes for fault diagnosis.

Service and Component Access

Component Access Procedures

Service Procedures by Component

Schematic Wiring Diagram (CDBC Models)

Schematic Wiring Diagram (CEZ Model)

Polarized Connector Pinout

Schematic Wiring Diagram (CDBCP/CDBCPF Models)

Warmer Wiring Reference