Bunn JDF-2N 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 Post Office BOX SPRINGFIELD, Illinois Phone 217 529-6601 FAX 217Contents User Notices Initial SET-UP Electrical RequirementsPlumbing Requirements Electrical HOOK-UPInitial Fill Initial Fill ConnectionLoading 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-2N specifications

The Bunn JDF-2N is a high-performance coffee brewing system that has gained popularity among coffee enthusiasts and professionals for its innovative features and exceptional brewing capabilities. Designed with user convenience and operational efficiency in mind, this machine is ideal for cafes, restaurants, and various other commercial settings.

One of the standout features of the Bunn JDF-2N is its dual brewing capability. It allows for simultaneous brewing of two distinct coffee batches, accommodating high demand and ensuring that customers receive fresh coffee promptly. This feature is particularly advantageous in busy environments, where quick service is essential to maintain customer satisfaction.

The brewing technology employed in the JDF-2N is designed to optimize extraction and flavor. The machine utilizes a precisely controlled spray head that saturates coffee grounds evenly, allowing for a consistent extraction process. This results in a rich, flavorful coffee that highlights the unique characteristics of each coffee blend. Additionally, the machine is equipped with a large-capacity water reservoir, which guarantees a steady flow of hot water, further enhancing brewing efficiency.

Another notable characteristic of the Bunn JDF-2N is its intuitive digital control panel. This user-friendly interface allows baristas and operators to easily adjust brewing parameters, such as brew temperature and time, tailoring the process to specific coffee types or personal preferences. The programmable features enable users to save their favorite settings, ensuring a consistent coffee experience with every brew.

The build quality of the Bunn JDF-2N is robust, featuring durable stainless steel construction that not only maintains aesthetic appeal but also ensures longevity. The machine is designed with serviceability in mind, allowing for easy access to components for maintenance and repairs.

Moreover, the Bunn JDF-2N is equipped with an innovative hot water faucet, offering immediate access to hot water for tea, soup, or other hot beverages, further enhancing its versatility in a commercial setting.

In summary, the Bunn JDF-2N stands out with its dual brewing functionality, advanced extraction technology, user-friendly interface, and durable construction. It represents an ideal solution for businesses that prioritize quality, efficiency, and customer satisfaction in their coffee offerings. With its array of features and reliable performance, the Bunn JDF-2N is a noteworthy choice for any establishment looking to elevate its coffee service.
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