Bunn JDF-2N Bottle adapter switch mem- brane, Dispense touchpad, Refill LED not extinguishing

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TROUBLESHOOTING (cont.)

PROBLEM

Dispense station not working "refill" LED and beep code.

A)3-Beep - Dispense/Rinse sens- ing fault.

B)4-Beep - Dispense/Rinse knob mis-positioned.

PROBABLE CAUSE

1.Bottle adapter switch mem- brane

A)Dispense/Rinse switch mem- brane shorted out simultaneously.

B)Dispense/Rinse switch mem- brane open simultaneously.

2.Concentrate lockout (Dipswitch #2) feature activated - locks out station when refill light is ON.

3.Dispense touchpad.

REMEDY

Check for moisture at 3-pin con- nector and clean. Apply electrical insulating compound or replace defective switch membrane.

Check knob for mis-position or re- place defective switch membrane.

Check for proper orientation of the Dispense/Rinse membrane switch.

Hint: Good bottle adapter switch membrane will sound the beeper when you rotate the knob between dispense and rinse to indicate closed position.

Refill product or turn OFF concen- trate lockout feature (Dipswitch #2)

See Schematics and check corre- sponding dispense station button for continuity - replace touchpad.

Refill LED not extinguishing

Bottle adapter refill

All stations dispense concentrate

Main water supply

only

Internal ON/OFF water valve

 

 

Frozen bath

Check wire terminals going to the probes for proper connection or refill probes need to be cleaned and rinsed.

NOTE: Door switch resets the "Refill" LEDs.

Check for ON position.

Check for ON position.

A)Compressor relay/contacts shorted - replace relay.

B)Recirculating pump - replace or check for kinked flex line.

23

38310 010406

 

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Contents Phone 217 529-6601 FAX 217 Post Office BOX SPRINGFIELD, IllinoisContents User Notices Electrical HOOK-UP Initial SET-UPElectrical Requirements Plumbing RequirementsInitial Fill Connection Initial FillFrozen Concentrates LoadingPriming Plumbing HookupOperating Controls Refrigeration SwitchRefrigeration Switch Sanitize SwitchOperating Controls Portion Control Models Refer to Fig Dispenser USEPress and Hold Models Refer to Fig Weekly Sanitizing Cleaning & Preventive MaintenanceDaily Parts Washing Cleaning Annually Replace Pump Tubing Cleaning Monthly Clean Condenser Air FilterTemperature Compensated Refractometer Method Adjustment & Optional SettingsPer 3-second test Mix RatioProduct Brix % Cup Size Programming Portion Control Dispensers Only Adjustment & Optional Settings Pump Speed ProgrammingService Lockout Adjustment & Optional Settings Dispenser LockoutPassword Protection Adjustment & Optional SettingsDBC display Fault Dispense Fault ListBeeper Fault Cooling Fault ListAudio feedback during dispenses Dip Switch Function ListRefill indicator when concentrate out is detected Controls OffFunction List All water LEDs flash TroubleshootingProblem Probable Cause Access bath fill valve and top off bath tankRemedy TroubleshootingProblem Cooling system failure or DBC faultAll stations dispense concentrate Main water supply Only Bottle adapter switch mem- braneDispense touchpad Refill LED not extinguishingWater only Problem Probable Cause RemedyConcentrate only Nect fittings Initial fill/setupCant access programming Programming password feature PasswordStep-down transformer Fault codesIs powered from the step-down Once water is set, adjust motorDifficulty brixing bag-in-box Difficulty brixing and/or weak bev Pump tubing ErageStation Use of portable water pumpCoolant 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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