Bunn CDBC-MV Service, Control Board, Disconnect the 11-pin connector from the control panel

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SERVICE (cont.)

CONTROL BOARD

P1846

FIG. 2 CONTROL BOARD

Location:

The Control Board is located inside the top cover behind the front end cap.

Test Procedures:

The test procedures for the control board will vary depending upon the problems experienced by the brewer. Refer to the Troubleshooting guide beginning on page 10. The troubleshooting guide is divided into three sections, Refill Circuit, Heating Circuit, and Brew- ing Circuit.

Removal and Replacement:

1.Disconnect the black wire and blue wire from the relay on the control board.

2.Disconnect the 10-pin connector and the 4-pin connector from the main wiring harness.

3.Disconnect the 11-pin connector from the control panel.

4.Remove the four #6 screws and four nylon wash- ers and the two #4-40 screws securing the control board to the end cap assembly.

5.Install a new control board and secure with the four #6 screws and nylon washers and the two #4- 40 screws to the end cap assembly.

NOTE: The four nylon washers must be installed under the heads of the four #6 screws to prevent a possible shorting of the control board circuits.

6.Connect the 11-pin connector from the control panel.

7.Connect the 10-pin connector and the 4-pin con- nector from the main wiring harness.

8.Connect the blue wire and black wire to the relay on the control board.

9.Refer to Adjustments and Optional Settings (See page 9) to program the new control board.

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Contents DIS Version Introduction APS Brewers TWO Warmer BrewersThree Warmer Brewers ONE Warmer Brewers CDBCF-DV BrewersCdbc LPTC-DV Brewers No Warmer BrewersElectrical HOOK-UP Electrical Requirements1425W Version Models CDBC-MV & CDBC-APS MV Coffee Brewing CleaningPlumbing Requirements Initial SET-UPReady Indicator ON/OFF SwitchBrew Switch Additional Warmer SwitchesSetting Brew Lockout Adjustments & Optional SettingsSetting Brew Temperature Displaying Brew TemperatureWater Sensing Threshold Adjustment Procedure Before troubleshooting this brewer, check for the following TroubleshootingRemedy TroubleshootingRefill Circuit Problem Probable Cause Troubleshooting Refill Circuit Water does not heat to proper tem- perature Heating Circuit ProblemIngs are taken Troubleshooting Heating CircuitProblem Probable Cause Tank HeaterProblem Probable Cause Remedy Brewing Circuit Problem Probable Cause Brew cycle will not start Control board or dispense valve Troubleshooting Brewing CircuitConsistently low beverage level Brew volume Dispenser Be made with sprayhead installedRequired Water temperatureSet-upinstructions Dripping from sprayhead Lime build upProblem Probable Cause Cause Things to Check DiagnosticsComponent Access ServiceWhen servicing, except when electrical tests are re Control Board ServiceDisconnect the 11-pin connector from the control panel Switch Panel Dispense Valve Limit Thermostat Limit Thermostat WiringTank Heaters Tank Heater Terminal Block Wiring Diagram Voltage Selector Switch Terminals Refill Valve Warmer Elements Warmer ElementsFuse HOLDER/FUSE Assembly MV models only Thermal Fuses Service Thermal Fuses MV models onlySchematic Wiring Diagram Cdbc DV Schematic Wiring Diagram Cdbc APS-DV Cdbcf APS/TC/LPTC-DV Schematic Wiring Diagram Cdbc MV Schematic Wiring Diagram Cdbc APS MV
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CDBCF-MV, CDBCF APS-DV, CDBCF APS-MV, CDBC-DV, CDBC-MV specifications

The Bunn CDBCF-DV is a distinguished coffee brewer designed for commercial use, ideal for establishments that demand high-quality coffee at a fast pace. This brewer is notable for its innovative design and advanced brewing technology, making it an essential asset for cafes, restaurants, and coffee shops.

One of the standout features of the Bunn CDBCF-DV is its dual-voltage capability. This versatility allows the brewer to operate efficiently on both 120V and 240V power sources, ensuring that it meets the needs of various establishments regardless of electrical setup. This adaptability makes it a favorite among coffee vendors looking to optimize performance without the inconvenience of electrical constraints.

The BDCBF-DV also boasts a large capacity, allowing it to brew up to 14 cups of coffee in a single cycle. This is facilitated by its large water tank and high brewing rate, which can produce coffee in just a matter of minutes. The ability to brew rapidly while maintaining quality is crucial in busy environments where time is of the essence.

Key to the Bunn CDBCF-DV's performance is its patented brewing system that utilizes a pre-infusion feature. This technology ensures that the coffee grounds are saturated before the brewing process begins, promoting optimal extraction of flavors and aromas. The result is a rich, well-balanced cup of coffee that delights patrons and encourages repeat business.

Another notable characteristic is the brewer's easy-to-use control interface. With simple dial settings, baristas can effortlessly adjust brew strength and temperature, ensuring consistency with every batch. The intuitive design minimizes training time for new staff and enhances overall workflow in commercial settings.

Durability and maintenance are critical in commercial coffee brewing equipment, and the Bunn CDBCF-DV excels in this area as well. Constructed with high-quality materials, it is built to withstand the rigors of daily use. Additionally, it features easily accessible parts for straightforward cleaning and servicing, reducing downtime and ensuring that the coffee remains fresh and delicious.

In summary, the Bunn CDBCF-DV is a versatile, efficient, and user-friendly coffee brewer loaded with innovative features aimed at delivering exceptional coffee quality. Its dual-voltage operation, large capacity, pre-infusion technology, and durable design make it an indispensable choice for businesses looking to enhance their coffee offerings and improve customer satisfaction. Whether you're a small cafe or a larger restaurant chain, the Bunn CDBCF-DV is engineered to meet your coffee brewing demands with excellence.
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