Bunn JDF-2 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.

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38310 010406

 

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Contents Phone 217 529-6601 FAX 217 JDF-2BUNN-O-MATIC Commercial Product Warranty User Notices ContentsCE Requirements Initial SET-UPElectrical Requirements Plumbing RequirementsInitial Fill Plumbing RequirementsFrozen 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-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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