Bunn service manual Temperature LEDs JDF-4S, Temperature LEDs JDF-2S Late Models

Page 11

OPERATING CONTROLS (Continued)

Procedure to return all dispense heads back to Push and Hold mode (Mechanical Switch Machines):

1.Unplug dispenser from power source.

2.Place Program switch in the ON position.

3.Remove drip tray and splash panel from the front of the machine then replace the drip tray.

4.For the JDF-2S, press and hold either dispense switch while plugging the dispenser into the power source. For the JDF-4S, press and hold two left dispense switches while plugging the dispenser into the power source. Continue holding dispense switch(s) until all 4 temperature LED’s on the circuit board start flashing slowly (this takes about 5 seconds). Release dispense switch(s).

5.Press and release any dispense switch three times.

6.Place Program switch back into the OFF position.

7.Replace splash panel and drip tray.

8.Place a container under each dispense nozzle and press dispense buttons to confirm machine is operating in push and hold mode.

 

P3585

P3845

FIG 15 Temperature LEDs JDF-2S

 

 

FIG 16 Temperature LEDs JDF-4S

(Early Models)

 

 

FIG 15A Temperature LEDs JDF-2S

(Late Models)

11

44744 032811

 

Image 11
Contents Phone 217 529-6601 FAX 217 JDF-2S JDF-4SBUNN-O-MATIC Commercial Product Warranty User Notices ContentsPlumbing Requirements Initial SET-UPCE Requirements Electrical RequirementsSecure the door cover using 5 screws provided Door Cover InstallationInitial Fill Hose JDF-2S Initial Fill Hose JDF-4S Plumbing HookupPlumbing Connections JDF-2S Plumbing Connections JDF-4S Initial FillAmbient Concentrates Optional LoadingInitial Fill Frozen Concentrates Operating Controls Refrigeration Switch Product Dispense Switch Mechanical Switch Machines PrimingProgram Switch JDF-2S shown Product Dispense Switch Membrane Switch MachinesDispense Lockout Switch JDF-2S shown Dispense Lockout SwitchDispenser USE Portion Control Option Mechanical Switch MachinesPush and Hold Membrane Switch Machines Portion Control Option Membrane Switch MachinesTemperature LEDs JDF-2S Late Models Temperature LEDs JDF-4SDaily Rinse Procedure Cleaning & Preventive MaintenanceOpen dispenser door Cleaning Monthly Clean Condenser CoilsAnnually Replace Pump Tubing Brix % Adjustment & Optional SettingsWater Flow Testing and Adjustment Pump Speed AdjustmentTemperature Compensated Refractometer Method Adjustment & Optional SettingsAdjustment & Optional Settings Dispenser Lockout LED Color Illuminates Circuit Board LED Indicators JDF-2S Early ModelsFunction List LED #JDF-4S Remedy TroubleshootingProblem Probable CauseSpace around machine TroubleshootingCompressor ON/OFF switch Dirty condenser filter or fins RefrigerationProblem Probable Cause Remedy Water only Concentrate onlyWater pressure greater than Initial fill/setupNect fittings TrayProblem Probable Cause Coolant Schematic Diagram Schematic Wiring Diagram JDF-2S Schematic Wiring Diagram JDF-2SSchematic Wiring Diagram JDF-4S Schematic Wiring Diagram JDF-4SShown.See Initial Fill Quick Setup Guide JDF-2S and JDF-4S JDF-2S shown
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