Cornelius R-404A REFRIGERANT ALL Fault Message not, ‘‘CO2 OUT’’ Fault Message, Goes on During

Page 72

Trouble		Probable Cause		Remedy
ALL FAULT MESSAGE NOT	D.	Master circuit board not	D.	Replace master circuit board.
OPERATING (cont’d)		operating.
	E.	Fault message display module	E.	Replace fault message display
		not operating properly.		module.

‘‘CO2 OUT’’ FAULT MESSAGE	A.	CO2 supply turned off or	A.	Open CO2 cylinder shutoff valve
GOES ON DURING		exhausted.		or replenish CO2 supply as
OPERATION.				instructed.
	B.	Primary CO2 regulator set too	B.	Adjust primary CO2 regulator as
		low.		instructed.
	C.	Inoperable CO2 pressure	C.	Replace CO2 pressure switch.
		switch.

‘‘H2O OUT’’ FAULT MESSAGE	A.	Water supply turned off or	A.	Turn on water supply or check
GOES ON DURING		water pressure inadequate.		water supply line pressure.
OPERATION.
	B.	Plugged water filter or water	B.	Change water filter or clean water
		pump strainer screen.		pump strainer screen as
				instructed.
	C.	Inoperative water pressure	C.	Replace water pressure switch.
		switch.

‘‘SYRUP 1’’ OR ‘‘SYRUP 2’’	A.	Soft drink tank empty.	A.	Replenish syrup supply as
FAULT MESSAGE GOES ON				instructed.
DURING OPERATION.

‘‘ERROR 1’’ OR ‘‘ERROR 2’’	A.	Error within Unit has	A.	Locate and correct error, then
FAULT MESSAGE GOES ON		developed interrupting normal		press ‘‘ERROR RESET’’ switch to
DURING OPERATION.		operation.		restore normal operation.

FREEZE CYLINDER	A.	Loose or broken electrical	A.	Repair electrical wires.
AUTOMATIC DEFROST		wires.
CYCLE DOES NOT
OPERATE.
	B.	Inoperable automatic defrost	B.	Replace master circuit board.
		timer.

UNIT DOES NOT GO OFF	A.	Automatic defrost timer stuck	A.	Replace master circuit board.
AUTOMATIC DEFROST		in automatic defrost cycle.
CYCLE.

MANUAL DEFROST CYCLE	A.	Flat cable not properly	A.	Properly connect flat cable to
DOES NOT OPERATE WHEN		connected to control switch		control switch module or master
‘‘DEFROST’’ SWITCH IS		module or master circuit		circuit board.
PRESSED.		board.
	B.	Flat cable connected between	B.	Check cable for pinched or
		control switch module and		broken wire condition and repair
		master circuit board pinched		or replace as necessary.
		and shorted out or broken wire
		in cable.
	C.	Inoperable ‘‘DEFROST’’ switch	C. Replace control panel switch
		on control panel switch		module.
		module.
	D.	Loose or broken wire.	D.	Repair wire.

65	312028000

Image 72

Contents To the Installer Table of Contents Table of Contents cont’d Programming Main Menu Selections Onto Message Display VIS Read Actual Viscosity Readout of ProductWater Strainer Screen and Double Liquid Check Valve Preparing Unit for SHIPPING, STORING, or RelocatingProduct Carbonation Adjustment Daily Cleaning of Unit Sanitizing Syrup SystemsTroubleshooting Control Panel Switches and Fault ‘‘ERROR 1’’ or ‘‘ERROR 2’’ Fault Message Goes on DuringDefrost Cycle does not Cancel After Pressing ‘‘CANCEL Freeze Cylinder Automatic Defrost Cycle does notList of Figures Table of Contents cont’d General Description Unit DescriptionAccessories Service ToolsTheory of Operation Generic Flavor TabsDefrost Systems Manual Defrost SystemAutomatic Defrost System ‘‘SLEEP’’ Sleep Time ‘‘WAKE UP’’ Wake UP TimeFlow Diagram This page Left Blank Intentionally Unpacking and Inspection Identification of LOOSE-SHIPPED PartsElectrical Power Requirements Selecting LocationHZ Unit Installing Unit Installing Leveling LegsInstalling Drip Tray Supports Item 7 and Item Installing Drip Tray Drain Hose KIT ItemInstalling Primary CO2 Regulator Assembly on CO2 Cylinder Connecting CO2 Source Line to Unit CO2 Inlet LineConnecting City Plain Water Source Line to Unit Connecting Electrical Power Circuit to the UnitElectrical BOX Turning on Electrical Power to Unit Adjusting Primary CO2 RegulatorAdjusting Product Blender Tanks Secondary CO2 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 DisplayProgramming ‘‘DEFROST’’ Automatic Settings Into Unit Menu SelectionsMain Menu Selections Switch Function DIP Switch FunctionsProgramming ‘‘SLEEP’’ Sleep Time Into Unit 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 Totals Menu Commands Description Syrup Minutes SideBrix 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 ‘‘SLEEP’’ Sleep Time Operation Faceplate Relief ValvesProduct Sample Valves Product Shutoff ValvesSyrup Flow Regulators Dispensing ValvesDispensed Product Conditions ‘‘OVERRUN’’, AS Applied to Frozen Carbonated BeveragesOperating Characteristics Operating UnitReplenishing Syrup Supply Cleaning and Sanitizing Cleaning Condenser CoilProduct Flavor Change Checking CO2 SupplyAdjustments Adjusting ‘‘VIS SET’’ Product Viscosity of Dispensed Product Cleaning CO2 GAS Check Valves Preparing Unit for SHIPPING, STORING, or Relocating Periodic InspectionTOP Panel Back PanelOpening and Closing Front Access Door Front Access PanelOpening Front Access Door 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 Product Carbonation Adjustment Daily Cleaning of UnitSanitizing Syrup Systems 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 Service and Maintenance Section Replenishing CO2 SupplySyrup Flavor Change 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 Control Panel Switches Poorly Illuminated Display ONE or More FaultALL Fault Messages not a Cannot be DeactivatedALL Fault Message not ‘‘CO2 OUT’’ Fault Message‘‘H2O OUT’’ Fault Message Fault Message Goes onTroubleshooting Product Blender Tanks and Carbonator Troubleshooting Dispensed Product Frozen Product Consistency VariesExcessively 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