Bunn CDS-3, CDS-2 service manual Problem Probable Cause Remedy

Page 10

TROUBLESHOOTING (cont.)

 

 

 

PROBLEM

PROBABLE CAUSE

REMEDY

Powder Auto-Fill will not dispense

1. No water

Water lines and valves to the dis-

product

 

 

penser must be open and free of

 

 

 

obstructions.

 

2.

No power or incorrect voltage to

Check that the power cord is con-

 

the dispenser.

nected to the CDS dispenser and for

 

 

 

voltage from the CDS dispenser.

 

3.

Dispense Solenoid Valve

Refer to Service- Dispense Solenoid

 

 

 

Valve for testing procedures. See

 

 

 

page 32

 

4.

Control Board and Probe

Refer to Service- Control Board and

 

 

 

Probe for testing procedures. See

 

 

 

page 18

 

5.

Auger Drive

Refer to Service- Auger Drive for

 

 

 

testing procedures. See page 13

 

6.

Transformer

Refer to Service- Transformer for

 

 

 

testing procedures. See page 26

 

7.

Water Strainer (Optional)

A) Direction of flow arrow must be

 

 

 

pointing towards dispenser.

 

 

 

B) Remove the strainer and check

 

 

 

for obstructions. Clear or replace.

Dripping from dispense tip

1. Dispense Solenoid Valve

Remove dispense valve and clear

 

 

 

any obstructions. Rebuild or replace

 

 

 

the valve if necessary. Seepage 32

Water flows continuously

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

10

29793 061599

 

Page 9 Page 11
Image 10
Page 9 Page 11
Contents Post Office BOX SPRINGFIELD, Illinois Phone 217 529-6601 FAX 217Introduction BUNN-O-MATIC Commercial Product WarrantyInitial SET-UP User Notices Operating Instructions Adjustments Removing and cleaning the whipper chamber once a day CleaningRecommended Daily Cleaning and Maintenance Tips Thorough cleaning of the hopper once a weekDispense Fault ListNormal operation Powder Auto-Fill ready to Door not closedTroubleshooting Problem Probable CauseRemedy TroubleshootingProblem CDS product tastes watery or sugaryProblem Probable Cause Remedy Install a regulator if necessary to Procedures. SeeImproper adjustment of product Product overflows CDS hopper Control Board and ProbeComponent Access ServiceContents Retainer Clip Auger Drive ComponentsHopper Lid Spacer Dust Seal Hopper BaseDiagrams and check wiring harness Auger Drive MotorFrother and MIXING/WHIPPER Chamber Mixing ChamberWhipper Motor Volts ac for 120 volt models Volts ac for 230 volt CE modelsInstall dispense tip into the bottom of the whipper chamber Whipper MotorIf voltage is present as described, proceed to #5 Control Board and Level ProbeIf voltage is present as described, proceed to #9 Test Procedure Low Product Detect Instal the new control board using the four #6-32 keps nuts Remove the control boardDisconnect the wires from the switch terminals TEST/SERVICE SwitchLocation Main Power ON/OFF Switch Main Power ON/OFF SwitchLamp Cord Assembly Refer to when reconnecting the wiresDisconnect the lamp cord from the lamp cord connector Lamp Cord ConnectorRemove new nut and washer from new lamp cord connector Lamp HOLDER/SOCKET Assembly Close the dispenser doorTransformer TransformerPotentiometer PotentiometerHopper Level Indicator Hopper Level IndicatorHopper Switch Hopper SwitchDoor Switch Door SwitchAdjustments Pressure Regulator and Needle ValveDispense Solenoid Valve Dispense Solenoid Valve LocationWiring Diagrams Schematic Wiring Diagram PAFSchematic Wiring Diagram Pafa
Related manuals
Manual 60 pages 54.74 Kb Manual 34 pages 40.35 Kb

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.
Top Page Image Contents