Bunn ES.2C service manual Problem, Remedy

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BUNN Espress ®

TROUBLESHOOTING

ES•2C

PROBLEM

PROBABLE CAUSE

Will not brew when any of the

Flowmeter

batch buttons is pressed.

 

(Continuous brew works as

 

well as automatic refill.)

Solenoid valve

 

Pump

Water is not hot or long re- Solenoid valve covery time.

Limit thermostat(s)

Tank heater

REMEDY

Check connections between the flowmeter and electronic control unit. Replace flowmeter.

Check voltage at terminals. If voltage is present when the dose switch is pressed, disconnect power supply, remove wires from coil terminals and check coil ter- minal continuity. If there is continuity replace solenoid.

When start switch is pressed, pump should turn on immediately. If this does not happen, check voltage at ter- minal block on the pump. If correct voltage is present, use a flat-blade screwdriver to turn the motor shaft on the rear end of the motor to see if the pump is locked. If the shaft does not turn, replace pump assembly.

Remove the solenoid valve and clear it of any obstructions. Rebuild or replace the valve if necessary.

Disconnect power supply , remove all wires check across limit terminals for continuity. If no continuity, replace limit thermostat(s).

Check tank heater terminals for correct voltage. If voltage is present and ma- chine is not heating properly, replace tank heater.

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Contents BUNNEspress General WarrantyIntroduction User Notices Physical Site RequirementsPlumbing ElectricalInitial Fill & Heat InstallationOperating Controls Infusion AdjustmentsPreinfusion Espresso Brewing OperationHOT Water & Steam Brewing Tips Filter Holder Cleaning CleaningExterior Cleaning ONE Brew Indicator Flashing Either Side AlarmsBoth Brew Indicators Flashing Problem Probable Cause TroubleshootingRemedy ProblemProblem Probable Cause Remedy Probable Cause Remedy Flowmeter Plumbing DiagramGreen Wiring Diagram

ES.2C specifications

The Bunn ES.2C coffee maker stands out as a remarkable choice for coffee enthusiasts seeking an efficient and reliable brewing solution. Designed with both functionality and user experience in mind, this coffee maker blends innovative technology with classic brewing methods, making it a staple in both commercial and home settings.

At the heart of the Bunn ES.2C is its dual-brew system, which allows users to prepare two different types of coffee simultaneously. This feature is especially beneficial in high-demand environments, such as cafes and restaurants, where quick service is essential. The machine brews at a robust rate of up to 3.8 gallons per hour, ensuring that coffee is always fresh and available.

One of the most notable features of the Bunn ES.2C is its superior temperature control technology. The machine maintains optimal brewing temperatures, ranging between 195°F to 205°F, which is critical for extracting the best flavors from coffee grounds. This precise temperature regulation ensures that each cup served meets the high standards expected by coffee aficionados.

Moreover, the Bunn ES.2C is equipped with a stainless steel tank, which not only enhances durability but also helps retain heat efficiently. This design allows the machine to recover quickly, minimizing downtime between brews. The stainless steel construction also provides a sleek, modern aesthetic that fits well into any kitchen or coffee-serving environment.

Ease of use is another hallmark of the Bunn ES.2C. The straightforward control panel allows users to customize brew strength and volume, tailoring each cup to individual preferences. Additionally, the machine features automatic controls that streamline operation, reducing the learning curve for new users.

Maintenance is a breeze with the Bunn ES.2C, thanks to its accessible parts and simple cleaning procedure. Users can easily disassemble components for deep cleaning, ensuring that the coffee maker remains in peak condition and continues to deliver delicious beverages.

Overall, the Bunn ES.2C combines advanced brewing technology, user-friendly features, and a durable design, making it a top choice for anyone serious about coffee. With its ability to brew multiple types of coffee quickly and efficiently, and its commitment to quality, it undoubtedly enhances the coffee experience for both operators and consumers alike. Whether for commercial use or at home, this coffee maker proves to be an invaluable asset.