Bunn CDBCF APS-MV Troubleshooting Brewing Circuit, Voltmeter to the terminals, Has changed

Page 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 prop-

 

 

 

 

erly, proceed as follows. Attach 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 har-

 

 

 

 

ness. If voltage is present, check for

 

 

 

 

continuity across the terminals of

 

 

 

 

the solenoid coil. If continuity is not

 

 

 

 

present, replace the solenoid (See

 

 

 

 

page 24). If continuity is present,

 

 

 

 

the valve may be stuck closed.

Consistently low beverage level in

1. Brew volume

Set up brewer according to instruc-

the dispenser or beverage overflows

NOTE: Volume adjustments must

tions in section Adjustments-Brew

dispenser

be made with sprayhead installed.

Volumes. (See page 8) Using 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

 

 

 

 

sprayhead 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

 

 

 

 

24)

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Contents DIS Version Introduction TWO Warmer Brewers Three Warmer BrewersAPS Brewers No Warmer Brewers CDBCF-DV BrewersCdbc LPTC-DV Brewers ONE Warmer BrewersElectrical Requirements 1425W VersionElectrical HOOK-UP Models CDBC-MV & CDBC-APS MV Initial SET-UP CleaningPlumbing Requirements Coffee BrewingAdditional Warmer Switches ON/OFF SwitchBrew Switch Ready IndicatorDisplaying Brew Temperature Adjustments & Optional SettingsSetting Brew Temperature Setting Brew LockoutWater Sensing Threshold Adjustment Procedure Troubleshooting Before troubleshooting this brewer, check for the followingTroubleshooting Refill Circuit Problem Probable CauseRemedy Troubleshooting Refill Circuit Heating Circuit Problem Water does not heat to proper tem- peratureTank Heater Troubleshooting Heating CircuitProblem Probable Cause Ings are takenProblem Probable Cause Remedy Brewing Circuit Problem Probable Cause Dispenser Be made with sprayhead installed Troubleshooting Brewing CircuitConsistently low beverage level Brew volume Brew cycle will not start Control board or dispense valveDripping from sprayhead Lime build up Water temperatureSet-upinstructions RequiredProblem Probable Cause Diagnostics Cause Things to CheckService When servicing, except when electrical tests are reComponent Access Service Disconnect the 11-pin connector from the control panelControl Board Switch Panel Dispense Valve Limit Thermostat Wiring Limit ThermostatTank Heaters Tank Heater Terminal Block Wiring Diagram Voltage Selector Switch Terminals Refill Valve Warmer Elements Warmer ElementsFuse HOLDER/FUSE Assembly MV models only Service Thermal Fuses MV models only Thermal FusesSchematic 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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