Cornelius R-404A REFRIGERANT service manual Troubleshooting Dispensed Product

Page 74

Trouble

Probable Cause

Remedy

CARBONATOR WATER PUMP A.

Binding, damaged, or dirty

A. Clean, repair, or replace balance

WILL NOT SHUT OFF.

carbonated water tank balance

mechanism.

 

mechanism.

 

 

 

 

ERRATIC CARBONATOR

A. Insufficient water supply

WATER PUMP CYCLING.

pressure. ‘‘H2O OUT’’ fault

 

message goes on and off

 

intermittently and water pump

 

cycles on and off during

 

carbonator tank fill cycle.

A.Increase water inlet supply line pressure. Water inlet supply line must have large enough I.D.

B. Water filter restricted.

B. Replace water filter.

TROUBLESHOOTING DISPENSED PRODUCT

BRIX (WATER-TO-SYRUP)

A. Quick disconnect not secure

‘‘RATIO’’ TOO LOW.

on soft drink tank.

A.Secure tank quick disconnect.

 

B.

Syrup flow regulator set too

B.

Adjust BRIX of dispensed product

 

 

low.

 

as instructed.

 

C.

Water flow regulator set too

C.

Water flow regulator must be set

 

 

high.

 

at 1.3 ±

0.05 oz/sec.

 

D.

Syrup flow regulators stuck.

D.

Clean syrup flow regulators.

 

E.

Restriction in syrup line.

E.

Sanitize Unit as instructed.

 

F.

Syrup Baume not in proper

F.

Change syrup supply as

 

 

range.

 

instructed.

 

 

 

 

 

BRIX (WATER-TO-SYRUP)

A.

Syrup flow regulators set too

A.

Adjust BRIX of dispensed product

‘‘RATIO’’ TOO HIGH.

 

high.

 

as instructed.

 

B.

Water flow regulator set too

B.

Water flow regulator must be set

 

 

low.

 

for 1.3

± 0.05 oz/sec.

 

C.

Water flow regulator stuck.

C.

Clean

regulator.

 

D.

Syrup Baume not in proper

D.

Change syrup supply as

 

 

range.

 

instructed.

 

E.

Restricted water filter.

E.

Replace water filter.

 

 

 

 

 

IMPROPER PRODUCT

A.

Secondary CO2 regulators not

A.

Adjust secondary CO2 regulators

DISPENSED.

 

properly adjusted.

 

as instructed.

 

B.

Dirty CO2 supply. CO2 must

B.

Replace CO2 supply as

 

 

be clean and free of water, oil,

 

instructed.

and dirt. Water will not absorb dirty CO2 gas in same way as clean gas. This can also cause off-taste problems.

PRODUCT WILL NOT

DISPENSE OUT OF DISPENSING VALVE, IN ONLY SMALL AMOUNTS, OR ONLY LIQUID.

A.Dispensing valve has ice particles in it.

A.Open and close dispensing valve repeatedly. Defrost freeze cylinder as instructed. If necessary, check and adjust BRIX as instructed. Adjust viscosity of dispensed product as instructed.

 

B.

Cylinder freeze-up.

B.

Refer to CYLINDER FREEZE-UP.

FREEZE CYLINDER DOES

A.

‘‘AUTO BLEND 1’’ or ‘‘AUTO

A.

Press ‘‘AUTO BLEND 1’’ or

NOT REFILL AT ALL TIMES

 

BLEND 2’’ switch not pressed.

 

‘‘AUTO BLEND 2’’ switch.

WHEN DISPENSING.

 

 

 

 

B.Carbonator water pump not operating.

B.Check carbonator and restore to operation.

67

312028000

 

Page 73 Page 75
Image 74
Page 73 Page 75
Contents To the Installer Table of Contents Table of Contents cont’d Water Strainer Screen and Double Liquid Check Valve Programming Main Menu Selections Onto Message DisplayVIS Read Actual Viscosity Readout of Product Preparing Unit for SHIPPING, STORING, or RelocatingTroubleshooting Control Panel Switches and Fault Product Carbonation AdjustmentDaily Cleaning of Unit Sanitizing Syrup Systems ‘‘ERROR 1’’ or ‘‘ERROR 2’’ Fault Message Goes on DuringList of Figures Defrost Cycle does not Cancel After Pressing ‘‘CANCELFreeze Cylinder Automatic Defrost Cycle does not Table of Contents cont’d General Description Unit DescriptionTheory of Operation AccessoriesService Tools Generic Flavor TabsAutomatic Defrost System Defrost SystemsManual Defrost System ‘‘SLEEP’’ Sleep Time ‘‘WAKE UP’’ Wake UP TimeFlow Diagram This page Left Blank Intentionally Unpacking and Inspection Identification of LOOSE-SHIPPED PartsHZ Unit Electrical Power RequirementsSelecting Location Installing Drip Tray Supports Item 7 and Item Installing UnitInstalling Leveling Legs Installing Drip Tray Drain Hose KIT ItemInstalling Primary CO2 Regulator Assembly on CO2 Cylinder Connecting CO2 Source Line to Unit CO2 Inlet LineElectrical BOX Connecting City Plain Water Source Line to UnitConnecting Electrical Power Circuit to the Unit Adjusting Product Blender Tanks Secondary CO2 Turning on Electrical Power to UnitAdjusting Primary CO2 Regulator Adjusting Carbonator Secondary CO2 RegulatorHidden Security Switch Message Display Control Panel ASS’YFilling Freeze Cylinders with Product Checking Unit for SYRUP, CO2, or Plain Water LeaksAdjusting Beater Motor Current Either Side Placing Unit in Operating LocationSetting Clock Time of DAY Programming Main Menu Selection Onto Message DisplayMain Menu Selections Programming ‘‘DEFROST’’ Automatic Settings Into UnitMenu Selections Programming ‘‘SLEEP’’ Sleep Time Into Unit Switch FunctionDIP Switch Functions Programming ‘‘WAKE UP’’ Wake UP Time Into Unit Programming Point of Sale Message DisplayAdjusting VIS SET Product Viscosity of Dispensed Product Master and Relay Circuit Board ‘‘VOLTAGE’’ Displayed Voltage Readout 312028000 Brix Totals Menu Commands DescriptionSyrup Minutes Side Gallons = a X Syrup MinutesDisplayed Error Conditions Programming Proper Refrigerant Type Into Unit ElectronicsDisplayed Error Conditions Control Panel ASS’Y Switches and Displayed Messages Control Panel ASS’Y SwitchesControl Panel Assembly Display Messages ‘‘SECURITY SWITCH.’’Freeze Cylinders Manual or Automatic Defrost Systems Product Sample Valves ‘‘SLEEP’’ Sleep Time OperationFaceplate Relief Valves Product Shutoff ValvesDispensed Product Conditions Syrup Flow RegulatorsDispensing Valves ‘‘OVERRUN’’, AS Applied to Frozen Carbonated BeveragesReplenishing Syrup Supply Operating CharacteristicsOperating Unit Product Flavor Change Cleaning and SanitizingCleaning Condenser Coil Checking CO2 SupplyAdjustments Adjusting ‘‘VIS SET’’ Product Viscosity of Dispensed Product Cleaning CO2 GAS Check Valves TOP Panel Preparing Unit for SHIPPING, STORING, or RelocatingPeriodic Inspection Back PanelOpening Front Access Door Opening and Closing Front Access DoorFront Access Panel Closing Front Access DoorOperating Controls Unit Internal Components SELF-CLOSING Dispensing Valve 312028000 Adjusting Plain Water Pressure Regulator Adjusting Carbonated Water Flow RateFreeze Cylinder Cutaway View Servicing Beater Motor Drive SHAFT/SEAL Assembly Beaters and Scraper Blades Installation Adjusting CO2 Regulators Adjusting Brix WATER-TO-SYRUP ‘‘RATIO’’ of Dispensed Product Sanitizing Syrup Systems Product Carbonation AdjustmentDaily Cleaning of Unit To disconnect soft drink tank from Unit syrup system 312028000 Yearly or After Water System Disruption Servicing Carbonator Water Pump Water Strainer ScreenLiquid Check Valve Assembly Servicing Carbonator Water Pump Double Liquid Check ValveReplenishing Syrup Supply Syrup Flavor Change Service and Maintenance SectionReplenishing CO2 Supply Water Strainer Screen and Double Liquid Check Valve Serviced Replacing Freeze Cylinder Beater Drive MotorAdjusting Carbonator Tank Liquid Level Ments in Small IncrementsCarbonator Liquid Level Control Switch Adjustment Refrigeration Flow Diagram Wiring Diagram This page Left Blank Intentionally Troubleshooting Control Panel Switches and Fault Messages ALL Fault Messages not a Control Panel SwitchesPoorly Illuminated Display ONE or More Fault Cannot be Deactivated‘‘H2O OUT’’ Fault Message ALL Fault Message not‘‘CO2 OUT’’ Fault Message Fault Message Goes onTroubleshooting Product Blender Tanks and Carbonator Troubleshooting Dispensed Product Excessively Frozen ProductConsistency Varies FREEZE-UPIllustrated Parts Breakdown Unit Part NumbersOvercounter FCB POST-MIX Dispenser FCB POST-MIX Dispenser FCB POST-MIX Dispenser cont’d Name Secondary CO2 Regulator Components Secondary CO2 Regulator ASS’Y CO2 Regulator Assembly Blender and Tubing Components Tubing Assembly Carb Water Tubing Assembly Water Solenoid to Blender Solenoid Valve Assembly Blender Components Control BOX and Display Panel Components Faceplate Assembly Dispensing Valve Assembly Carbonator Components Carbonator Tank and Linkage Assembly Pump and Motor ASS’Y Beater Motor Drive SHAFT/SEAL ASS’Y Warranty This page Left Blank Intentionally One Cornelius Place Anoka, Minnesota 612 800
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