Bunn S/N 0005473 & UP manual Troubleshooting, Problem Probable Cause Remedy, Refrigeration

Page 22

TROUBLESHOOTING (cont.)

 

 

PROBLEM

PROBABLE CAUSE

REMEDY

Refrigeration

1. Compressor ON/OFF switch.

Check for "ON" position or no con-

All dispense stations not working

 

tinuity - replace switch.

or all water & refill LED's flash and

 

 

beep 3 times.

2. Dirty condenser filter or fins.

Clean or replace condenser filter.

Note: Cooling failure or excessive

 

 

bath and cabinet temperatures for

3. Condenser fan not running.

Replace fan motor or check fan

m ore than 4 hours will result in

 

blades for obstructions.

touchpad lockout or no dispense.

4. Compressor relay not activat-

Check compressor relay coil for

 

 

ing.

120vac.

 

 

NOTE: Always check power with

 

 

coil attached. If no 120vac - replace

 

 

board. If yes, 120vac - replace

 

 

relay.

 

 

Note: Relay contacts normally

 

 

open.

 

5. Compressor not running.

Check compressor thermal overload

 

 

(N/C). If open check for dirty con-

 

 

denser filter or adequate ventilation

 

 

and space around machine.

 

6. Compressor running and not

Check refrigeration system for leaks

 

cooling.

and proper charge.

Dispenser Locked Out

 

 

All dispense stations not working

1. Dispenser lockout password

See page 17 for instruction on how

or all water & refill LED's flash and

set.

to reset or change password.

beep 3 times.

 

 

Hint: Display light goes out during

 

 

dispenser lockout feature, if the unit

 

 

has lighted graphics.

 

 

Cooling system failure or DBC fault 3.

1.Refrigeration or cold water recir- culation system.

Check all previous items that pre- tain to refrigeration or cold water recirculation

22

38218.1 030306

 

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Contents JDF-4 Phone 217 529-6601 FAX 217BUNN-O-MATIC Commercial Product Warranty Contents User NoticesCE Requirements Initial SET-UPElectrical Requirements Electrical HOOK-UPPlumbing Hookup Plumbing RequirementsPlumbing Connections Operating Controls Refrigeration SwitchSanitize Switch Water Bath ValveOperating Controls Loading Initial FillFrozen Concentrates Priming Dispenser USEInitial Fill Ambient Concentrates Optional Press and Hold Models Refer to FigDaily Parts Washing Cleaning & Preventive MaintenanceWeekly Sanitizing Cleaning Cleaning Monthly Clean Condenser Air Filter Annually Replace Pump TubingTotal Dispense Ratio Set Up Procedure Adjustment & Optional SettingsTemperature Compensated Refractometer Method Per 3-second test Mix RatioProduct Brix % Pump Speed ProgrammingCup Size Programming Portion Control Dispensers Only Adjustment & Optional SettingsChilled Water Flow Testing and Adjustment Dispenser LockoutService Lockout Adjustment & Optional Settings Password Protection Cooling Fault List Dispense Fault ListBeeper Fault DBC display FaultControls Off Dip Switch Function ListRefill indicator when concentrate out is detected Audio feedback during dispensesFunction List 104 Set Pump 4 RPM Concentrate BCold Water Circulation TroubleshootingProblem Probable CauseRefrigeration TroubleshootingProblem Probable Cause Remedy Dispenser Locked OutBottle adapter switch mem- brane Dispense/Rinse switch mem- brane open simultaneouslyConcentrate only Water onlyPassword Initial fill/setupCant access programming Programming password feature Nect fittingsOnce water is set, adjust motor Fault codesIs powered from the step-down Step-down transformerStation Problem Probable CauseDifficulty brixing and/or weak bev Pump tubing Erage Use of portable water pumpCoolant Schematic Diagram Schematic Wiring Diagram Schematic Wiring Diagram JDF-4 Dispense Deck Circuit Schematic Wiring Diagram JDF-4 Control Panel Circuit GND L1 N

S/N 0005473 & UP specifications

The Bunn S/N 0005473 & UP is a remarkable coffee brewing system that blends innovative technology with user-friendly features, catering to both commercial and home brewing needs. Known for its durability and reliability, this model has garnered acclaim among coffee enthusiasts and professionals alike.

One of the standout features of the Bunn S/N 0005473 & UP is its rapid brew technology. This system enables the brewing of high-quality coffee in less time than conventional methods. With a typical brewing cycle of just a few minutes, users can enjoy fresh coffee quickly, making it an ideal choice for busy environments like cafes, restaurants, and offices.

In terms of capacity, this Bunn model is equipped with a generous water reservoir that can hold several gallons, allowing for multiple brewing cycles without the need for constant refilling. This is particularly beneficial in high-demand settings where speed and efficiency are paramount. Furthermore, the system is designed to accommodate a variety of coffee types, from standard drip to specialty blends, providing versatility for users.

The Bunn S/N 0005473 & UP also features an adjustable brewing temperature, ensuring that the coffee is brewed at the optimal heat for extraction. This capability plays a crucial role in achieving the perfect flavor profile, allowing users to experiment with different beans and roasts.

Another notable characteristic of this model is its user-friendly interface. The intuitive controls enable both novice and experienced users to operate the machine with ease, reducing the learning curve associated with brewing great coffee. Additionally, maintenance is simplified with removable components that can be easily cleaned, promoting longevity and consistent performance.

Energy efficiency is also a key consideration in the design of the Bunn S/N 0005473 & UP. With a focus on reducing power consumption, this coffee maker operates discreetly in the background while remaining ready to brew at a moment’s notice.

Overall, the Bunn S/N 0005473 & UP stands out as a reliable and efficient coffee brewing system. With its combination of rapid brew technology, adjustable temperature settings, and user-friendly design, it caters to a wide range of coffee preferences and environments, ensuring that every cup is a delightful experience. This model continues to be a favorite among both casual drinkers and coffee connoisseurs.
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