Bunn dispenser service manual Problem Probable Cause Remedy

Page 11

TROUBLESHOOTING (cont.)

 

 

 

PROBLEM

PROBABLE CAUSE

REMEDY

Product overflows ULTRA 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

29793.1 021202

 

Image 11
Contents Post Office BOX SPRINGFIELD, Illinois Bunn Powder Auto FillIntroduction BUNN-O-MATIC Commercial Product Warranty34561.0000 Initial SET-UPUser Notices Operating Instructions Adjustments Rinse and dry each item thoroughly before reas- sembling CleaningRecommended Daily Cleaning and Maintenance Tips Door not closed Fault ListNormal operation Powder Auto-Fill ready to DispenseProblem Probable Cause TroubleshootingPowder Auto-Fill hopper not in- stalled properly ProblemRemedy Water Strainer Optional Control Board and ProbeAuger Drive TransformerProblem Probable Cause Remedy Component Access ServiceSpacer 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 If voltage is present as described, proceed to #5Test 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

dispenser specifications

The Bunn dispenser is a highly regarded name in the beverage service industry, known for its reliable coffee brewers, steeping equipment, and beverage dispensing solutions. These dispensers are designed with efficiency and quality in mind, making them a favorite in restaurants, cafes, and other foodservice establishments.

One of the main features of the Bunn dispenser is its rapid brewing capability. Utilizing a unique brewing system, Bunn dispensers can quickly brew large quantities of coffee, which is essential for high-demand environments. The machines are equipped with advanced heating technology that ensures water is brewed at the optimal temperature for extracting the best flavors from coffee grounds. This feature not only enhances the quality of the beverage but also significantly reduces waiting times for customers.

Another key characteristic of Bunn dispensers is their durability. Built with high-quality materials, these machines are designed to withstand the rigors of a busy kitchen environment. The robust construction ensures a long lifespan, minimizing the need for frequent repairs or replacements. Additionally, many models feature stainless steel components that are resistant to corrosion and easy to clean, maintaining hygiene standards while also looking professional.

Bunn dispensers are also known for their versatility. With a range of models available, including single and multi-hopper options, they can dispense various beverages, including coffee, tea, and iced drinks. This flexibility allows businesses to cater to different customer preferences without requiring multiple machines. Moreover, Bunn dispensers often come with programmable features, enabling users to customize brew strengths and volumes for optimal beverage consistency.

In terms of technology, Bunn has incorporated advanced digital controls and user interfaces in many of its models. These digital displays simplify operation, allowing staff to monitor brewing processes and receive alerts for maintenance requirements efficiently. Such technological integration enhances user experience and operational efficiency.

Energy efficiency is another consideration in the design of Bunn dispensers. Many models are equipped with energy-saving features, which help reduce power consumption during both operation and standby modes. This focus on sustainability not only lowers utility costs for businesses but also aligns with the growing consumer demand for environmentally responsible practices.

In conclusion, Bunn dispensers combine speed, durability, versatility, advanced technology, and energy efficiency, making them an excellent choice for any foodservice operation. Their ability to deliver high-quality beverages quickly and consistently makes them a pivotal asset for businesses aiming to provide an exceptional customer experience.