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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Image 23
Bunn JDF-2N manual Bottle adapter switch mem- brane, Dispense touchpad, Refill LED not extinguishing, Frozen bath

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.

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