Bunn S/N CDBC020213, CDBCFP, CDBCP service manual Diagnostics, Cause Things to Check

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DIAGNOSTICS

The bank of temperature indicators indicates that a fault exists. Count the number of flashes between pauses and use this chart as a guide to investigating the fault.

FLASHES

CAUSE

THINGS TO CHECK

 

 

 

1

Dry Plug - In Fault -

Water Pressure (Is water shut "OFF")

 

Sheath of temperature probe dry for 10 minutes after power-up

Temperature probe wiring

 

 

Fill valve wiring, function, & strainer

 

 

Green wire between tank and circuit board

 

 

 

2

Low Tank Level Fault -

Water pressure (Is water shut "OFF")

 

Level probe dry for 7 minutes after fill valve is energized

Level probe wiring

 

 

Temperature probe wiring

 

 

Fill valve wiring, function, & strainer

 

 

 

3

Low Water Temperature Fault -

Tank heater wiring & function

 

Sensor in tank is calling for heat for 30 minutes or more

Temperature probe wiring

 

 

 

4

Tank Sensor Disagreement -

Temperature probe wiring

 

Level probe detects water, but dry plug-in probe dry

Level probe wiring

 

 

Green wire between tank and circuit board

 

 

 

5

Temp Sensor Out-of-Range - High

Sensor not connected to circuit board

 

 

 

6

Temp Sensor Out-of-Range - Low

Sensor wires shorted together or to chassis

 

 

 

 

 

 

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35582 041503

 

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Contents DIS Vers ION Contents BUNN-O-MATIC Commercial Product WarrantyIntroduction User Notices Electrical Requirements Plumbing RequirementsElectrical Hook-Up Brew Switch ON/OFF SwitchReady Indicator Temperature IndicatorsCoffee Brewing Initial SET-UPCleaning POUR-OVER FeatureSetting Brew Temperature CDBC, Single CD Adjustments & Optional SettingsWater Sensing Threshold Adjustment Procedure Adjustments & Optional SettingsPulse Brew Setup Procedure Cdbc & Single CD Before troubleshooting this brewer, check for the following TroubleshootingTroubleshooting Refill Circuit Problem Probable CauseRemedy Fill or refill does not shut OFF ON/OFF Switch on Troubleshooting Refill CircuitWater does not heat to proper temperature Heating Circuit ProblemTroubleshooting Heating Circuit Problem Probable CauseProbe, tank or tank heater Control Board Spitting or excessive steaming Temperature Probe ContWater supply Lime build upBrew cycle will not start Display flashing Brewing Circuit Problem Probable CauseBrewing Circuit Problem Probable Cause RemedyDripping from spray head Lime build up Water temperatureRequired Weak beverage SprayheadTroubleshooting Brewing Circuit Cause Things to Check DiagnosticsService Component AccessContents Service Disconnect the 11-pin connector from the control panelControl Board Switch Panel Switch PanelDispense Valve Dispense ValveLimit Thermostat Limit ThermostatTank Heater Tank HeaterTank Heater Wiring Service Tank HeaterCheck for continuity across the refill valve coil terminals Refill ValveLocation Warmer Elements120V AC 2 Wire 120/208V AC 3 Wire 120/240V AC 3 Wire Schematic Wiring Diagram Cdbc 15, 20Schematic Wiring Diagram CDBCP/CDBCPF 15, 20 120/208V AC 3 Wire 120/240V AC 3 Wire 120V AC 2 Wire200V AC Wire Single Phase100V AC

CDBCP, CDBCFP, CDBCF, S/N CDBC020213 specifications

The Bunn CDBCFP, S/N CDBC020213, is part of the CDB family of coffee brewers, specifically designed to offer exceptional flavor and brewing efficiency for commercial settings. This advanced machine is a significant upgrade from traditional brewing systems, focusing on precision, consistency, and ease of use.

One of the main features of the Bunn CDBCFP is its digital control system, which allows operators to easily customize brew recipes and temperatures. This feature not only enhances the flavor profile of the brewed coffee but also ensures that each cup meets customer expectations. The machine is equipped with a patented infusion technology that allows for full saturation of coffee grounds, maximizing extraction and delivering a robust flavor.

The Bunn CDBCFP also boasts a large capacity, making it ideal for high-demand environments like cafes, restaurants, and offices. The unit can brew up to 3.8 gallons of coffee per hour, ensuring a steady supply even during peak times. The design includes a dual-funnel brewing system, which helps to distribute water evenly over the coffee grounds, resulting in a more consistent extraction.

In terms of its construction, the CDBCFP features a durable stainless-steel body that withstands the rigors of commercial use. This not only ensures longevity but also makes it easy to clean and maintain. The brewer is designed with a sleek aesthetic, fitting effortlessly into any modern kitchen or service area.

Another notable characteristic is the machine's energy efficiency. The Bunn CDBCFP is designed to operate with low energy consumption, helping businesses to reduce their overall operational costs. Additionally, the brewer's quick recovery time means that it can be ready to brew within minutes, further enhancing its efficiency.

The Bunn CDBCFP, S/N CDBC020213, is also compatible with a variety of coffee types, allowing businesses to diversify their offerings. Whether it’s gourmet blends, single-origin coffees, or sustainability-focused products, the CDBCFP can handle them all with ease.

In summary, the Bunn CDBCFP stands out in the commercial coffee brewing landscape due to its digital controls, large brewing capacity, durable construction, energy efficiency, and versatility. For establishments looking to deliver high-quality coffee with reliability, this brewer is a top choice.
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