Bunn CDS-2 Product overflows CDS hopper Control Board and Probe, Weak product Whipper Motor

Page 11

TROUBLESHOOTING (cont.)

 

 

 

PROBLEM

PROBABLE CAUSE

REMEDY

Product overflows CDS hopper

1. Control Board and Probe

Refer to Service- Control Board and

 

 

 

Probe for testing procedures. See

 

 

 

page 18

 

2.

Dispense Solenoid Valve

Refer to Service- Dispense Solenoid

 

 

 

Valve for testing procedures. See

 

 

 

page 32

Weak product

1. Whipper Motor

Refer to Service- Whipper Motor for

 

 

 

testing procedures. See page 16

 

2.

Frother

Refer to Service- Frother for testing

 

 

 

procedures. See page 15

 

3.

Dispense Solenoid Valve

Refer to Service- Dispense Solenoid

 

 

 

Valve for testing procedures. See

 

 

 

page 32

 

4.

Auger Drive

Refer to Service- Auger Drive for

 

 

 

testing procedures. See page 13

 

5.

Auger Spring

Refer to Service- Auger Spring for

 

 

 

testing procedures. See page 13

 

6.

Auger Motor

Refer to Service- Auger Motor for

 

 

 

testing procedures. See page 14

 

7. Improper adjustment of product

Set the product mix ratio per Adjust-

 

mix ratio

ments. See page 5

Dispenser is making unusual noises

1. Plumbing lines

Plumbing lines should not be rest-

 

 

 

ing on the counter top.

 

2.

Water supply

A) The dispenser must be connected

 

 

 

to a cold water line.

 

 

 

B) Water pressure to the dispenser

 

 

 

must not exceed 90 psi (620 kPa).

 

 

 

Install a regulator if necessary to

 

 

 

lower the working pressure to ap-

 

 

 

proximately 50 psi (345 kPa).

Display not lit

1. Lamp

Refer to Service- Lamp for testing

 

 

 

procedures. See page 25

 

2.

Lamp Holder

Refer to Service- Lamp Holder for

 

 

 

testing procedures. See page 25

11

29793 011500

 

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Contents Phone 217 529-6601 FAX 217 Post Office BOX SPRINGFIELD, IllinoisInitial SET-UP BUNN-O-MATIC Commercial Product WarrantyIntroduction User Notices Operating Instructions Adjustments Thorough cleaning of the hopper once a week CleaningRecommended Daily Cleaning and Maintenance Tips Removing and cleaning the whipper chamber once a dayDoor not closed Fault ListNormal operation Powder Auto-Fill ready to DispenseProblem Probable Cause TroubleshootingCDS product tastes watery or sugary TroubleshootingProblem RemedyProblem Probable Cause Remedy Product overflows CDS hopper Control Board and Probe Procedures. SeeImproper adjustment of product Install a regulator if necessary toContents ServiceComponent Access Spacer Dust Seal Hopper Base Auger Drive ComponentsHopper Lid Retainer ClipAuger Drive Motor Diagrams and check wiring harnessMixing Chamber Frother and MIXING/WHIPPER ChamberVolts ac for 120 volt models Volts ac for 230 volt CE models Whipper MotorWhipper Motor Install dispense tip into the bottom of the whipper chamberIf voltage is present as described, proceed to #9 Control Board and Level ProbeIf voltage is present as described, proceed to #5 Test Procedure Low Product Detect Remove the control board Instal the new control board using the four #6-32 keps nutsLocation TEST/SERVICE SwitchDisconnect the wires from the switch terminals Main Power ON/OFF Switch Main Power ON/OFF SwitchRefer to when reconnecting the wires Lamp Cord AssemblyRemove new nut and washer from new lamp cord connector Lamp Cord ConnectorDisconnect the lamp cord from the lamp cord connector Close the dispenser door Lamp HOLDER/SOCKET AssemblyTransformer TransformerPotentiometer PotentiometerHopper Level Indicator Hopper Level IndicatorHopper Switch Hopper SwitchDoor Switch Door SwitchPressure Regulator and Needle Valve AdjustmentsDispense Solenoid Valve Location Dispense Solenoid ValveSchematic Wiring Diagram PAF Wiring DiagramsSchematic Wiring Diagram Pafa
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CDS-2, CDS-3 specifications

The Bunn CDS-3 is a commercial coffee brewer renowned for its reliability, efficiency, and high-quality performance. Designed for busy environments such as cafés, restaurants, and convenience stores, it offers the perfect balance of capacity and functionality, making it ideal for high-demand situations.

One of the standout features of the Bunn CDS-3 is its ability to brew up to 3.8 gallons of coffee per hour. This impressive capacity meets the needs of busy establishments where a constant supply of fresh coffee is crucial. The brewer’s stainless steel construction not only ensures durability but also maintains temperature, thus preserving the coffee’s rich flavor and aroma.

The CDS-3 incorporates Bunn's patented brewing technology, including the "Pour-Over" method. This feature allows for easy operation and contributes to the even extraction of coffee grounds. The machine is equipped with a pre-infusion mode that saturates coffee grounds before brewing, enhancing extraction for a fuller, more complex flavor profile.

Temperature control is another vital characteristic of the Bunn CDS-3. It maintains the water temperature between 195°F to 205°F, the ideal range for optimal coffee brewing. The brewer’s internals are designed for rapid heating, ensuring that the water reaches the desired temperature quickly and consistently, which is essential for high-quality coffee production.

In terms of usability, the Bunn CDS-3 offers an intuitive interface, allowing staff to operate it with minimal training. The front-access design not only simplifies maintenance, but also makes it easy to refill water and perform routine cleaning. Furthermore, the large capacity coffee pots ensure that the brewed coffee can be stored efficiently, minimizing waste.

Equipped with a unique spray head system, the Bunn CDS-3 ensures uniform saturation of the coffee grounds. This feature supports optimal extraction, allowing users to produce a rich and flavorful brew that keeps customers coming back for more.

In summary, the Bunn CDS-3 is a well-engineered, commercial-grade coffee brewer that excels in high-demand environments. Its robust construction, advanced brewing technology, consistent temperature control, and user-friendly design make it a favorite among coffee enthusiasts and professionals alike, affirming its reputation as a reliable and effective solution for coffee brewing needs. Whether for a bustling café or a catering service, the Bunn CDS-3 delivers a consistently great cup of coffee every time.
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