Bunn JDF-2 manual Problem Probable Cause Remedy, Concentrate only, Water only

Page 24

TROUBLESHOOTING (cont.)

 

 

PROBLEM

PROBABLE CAUSE

REMEDY

Dispense station

Water solenoid

Replace solenoid (24vdc) or check

concentrate only

 

wire connection between water

 

 

valve and main control board.

Dispense station

In rinse position

Rotate knob to dispense position.

water only

NOTE": Water will dispense for 4

 

 

seconds.

 

Dispense starts then stops or "refill"

Main control board

Check for variable dc voltage when

flashes and beeps 5 times.

 

corresponding dispense switch is

 

 

depressed. No dc power - replace

 

 

control board.

 

Dispense motor not running

Check for variable dc voltage at

 

 

motor terminals. Voltage present

 

 

- replace motor.

 

RPM sensor

A) Verify magnet hub is secured

 

 

with screw and star washer to mo-

 

 

tor shaft.

 

 

B) Verify RPM sensor operation.

 

 

RPM input 24vdc signal 0 - 5 vdc

 

 

intervals.

24

38310 010406

 

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Contents JDF-2 Phone 217 529-6601 FAX 217BUNN-O-MATIC Commercial Product Warranty Contents User NoticesInitial SET-UP Electrical RequirementsPlumbing Requirements CE RequirementsPlumbing Requirements Initial FillLoading PrimingPlumbing Hookup Frozen ConcentratesRefrigeration Switch Refrigeration SwitchSanitize Switch Operating ControlsOperating Controls Dispenser USE Press and Hold Models Refer to FigPortion Control Models Refer to Fig Cleaning & Preventive Maintenance Daily Parts WashingWeekly Sanitizing Cleaning Cleaning Monthly Clean Condenser Air Filter Annually Replace Pump TubingAdjustment & Optional Settings Temperature Compensated Refractometer MethodMix Ratio Product Brix %Per 3-second test Adjustment & Optional Settings Pump Speed Programming Cup Size Programming Portion Control Dispensers OnlyAdjustment & Optional Settings Dispenser Lockout Service LockoutAdjustment & Optional Settings Password ProtectionDispense Fault List Beeper FaultCooling Fault List DBC display FaultDip Switch Function List Refill indicator when concentrate out is detectedControls Off Audio feedback during dispensesFunction List Troubleshooting Problem Probable CauseAccess bath fill valve and top off bath tank All water LEDs flashTroubleshooting ProblemCooling system failure or DBC fault RemedyBottle adapter switch mem- brane Dispense touchpadRefill LED not extinguishing All stations dispense concentrate Main water supply OnlyProblem Probable Cause Remedy Concentrate onlyWater only Initial fill/setup Cant access programming Programming password featurePassword Nect fittingsFault codes Is powered from the step-downOnce water is set, adjust motor Step-down transformerDifficulty brixing and/or weak bev Pump tubing Erage StationUse of portable water pump Difficulty brixing bag-in-boxCoolant Schematic Diagram Schematic Wiring Diagram Schematic Wiring Diagram Schematic Wiring Diagram JDF-2 Control Panel Circuit Schematic Wiring Diagram JDF-2 Remaining Circuits

JDF-2 specifications

The Bunn JDF-2 is a cutting-edge coffee brewing system designed for high-performance environments such as coffee shops, restaurants, and offices. This versatile machine combines advanced brewing technologies with user-friendly features, making it a popular choice among coffee aficionados and professionals alike.

One of the standout features of the Bunn JDF-2 is its ability to brew coffee quickly and efficiently. The machine boasts an innovative brewing system that utilizes an advanced heat exchange technology, ensuring that water is heated to the optimal brewing temperature in no time. This results in a rapid brew time, allowing operators to serve freshly brewed coffee continuously, even during peak hours.

The Bunn JDF-2 is equipped with a digital control interface that allows users to customize their brewing settings with ease. This interface features adjustable brew times, water temperatures, and batch sizes, allowing baristas to fine-tune each brew to achieve the perfect flavor profile. Additionally, the machine can store multiple recipe presets, enabling quick access to different brewing styles.

Durability and reliability are also key characteristics of the Bunn JDF-2. Constructed from high-quality materials, it is designed to withstand the rigors of everyday use. This commercial-grade machine is built to last, ensuring that businesses can rely on it for consistent performance over time. The JDF-2 also incorporates a variety of safety features, including automatic shut-off mechanisms and easy-access components for maintenance, making it a safe choice for busy environments.

The Bunn JDF-2 employs a dual brewing system, which can brew both regular and decaffeinated coffee simultaneously. This feature is particularly beneficial for establishments that cater to diverse customer preferences. The machine's capabilities also extend to brewing specialty beverages, further enhancing its versatility.

In terms of design, the Bunn JDF-2 presents a sleek and modern aesthetic that complements any coffee shop or commercial kitchen. Its compact size allows for easy integration into existing workflows, maximizing space efficiency without compromising performance.

Overall, the Bunn JDF-2 stands out as a premier choice for those seeking a powerful, efficient, and user-friendly coffee brewing system. With its advanced technologies, customizable settings, and robust construction, it meets the demands of both high-volume coffee operations and discerning coffee lovers.
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