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EVAP TEMP SENSOR

OUT OF RANGE

CHECK FOR BAD

CONNECTIONS

CHECK WIRE FOR

SHORTS

COOL TEMP SENSOR

OUT OF RANGE

CHECK FOR BAD

CONNECTIONS

CHECK WIRE FOR

SHORTS

COOLER FAULT!

EVAP TEMP TOO HI

CHECK EVAP FAN

CHK EVAP SENSOR

COOLING TIME

TOO LONG

CHECK AIR FILTER

CHECK COOLING UNIT

Service Required

Clean Air Filter

Check wiring harness for breaks,

shorts, open connectors

Service Required

Screen Displayed

Possible Cause

Troubleshooting Procedures

Troubleshooting (Continued)

Service Required

1. Evaporator temperature too high or too

low.

2. Corresponding Evaporator Sensor Probe

wire(s) broken or disconnected.

3. Corresponding Temperature Sensor

Probe wire(s) shorted to housing, or

to each other.

1. Cold Sensor wire(s) shorted to housing,

or to each other.

2. Product cabinet temperature too

high.

3. Product cabinet temperature too low.

COND PROBE FAULT

CHECK COND PROBES

CHK DISP SWITCHES

CHK CONNECTIONS

JUMPER FAULT!

CONFIG NOT VALID

CHECK J-18

ON CONTROL BOARD

1. Concentrate buildup on probes

2. Machine dispensing continously

3. Water flowing continously

1. Invalid wire harness configuation

Check pump & tubing for proper

installation. Clean probes

Dispense switch failure, Service

Required

Dispense valve leaking, Service

Required

Service Required

1. Cabinet circulating fan failure

2. Ice build up on evaporator coils

3. Evaporator sensor failure

1. Air intake filter clogged

2. Wiring failure

3. Compressor failure

41129 052208

Содержание LCR-3 HV

Страница 1: ...st revision of the Operating Manual or to view the Illustrated Parts Catalog Programming Manual or Service Manual please visit the Bunn O Matic website at www bunn com This is absolutely FREE and the quickest way to obtain the latest catalog and manual updates For Technical Service contact Bunn O Matic Corporation at 1 800 286 6070 41129 0000H 06 11 2008 Bunn O Matic Corporation ...

Страница 2: ... sole discretion that the equipment does not conform to the warranty BUNN at its exclusive option while the equipment is under warranty shall either 1 provide at no charge replacement parts and or labor during the applicable parts and labor warranty periods specified above to repair the defective components provided that this repair is done by a BUNN Authorized Service Representative or 2 shall re...

Страница 3: ...Leveling the Dispenser 6 Installing Pump Tubing 7 Operating Controls Interface 8 Initial Fill Heat 9 Rinse Alarm Feature 10 BIB Empty Lockout Feature 11 Brew Temperature Lockout Feature 11 Energy Saver Mode 11 Optional 2 Product Operation 11 Programming the Dispenser 12 Loading the Concentrate 17 Priming the Concentrate Lines 17 Operating the Dispenser 18 Filling Cambros or other large containers ...

Страница 4: ...ct to a circuit operating at more than 150 volts to ground WARNING HOT LIQUIDS 41129 060111 L1 L2 L3 N FOR 3 PHASE OPERATION CONNECT INPUT WIRING TO L1 L2 L3 N AS SHOWN BLK BLU RED WHI TERMINAL BLOCK TO MACHINE FROM POWER SOURCE TO MACHINE FROM POWER SOURCE L1 L2 L3 N BLK RED BLU WHI FOR SINGLE PHASE OPERATION MOVE BLU WIRE INTO TERMINAL BLOCK WITH BLACK WIRE CONNECT INPUT WIRING TO L1 L2 N AS SHO...

Страница 5: ... approved beverage tubing such as reinforced braided polyethylene or silicone beforethedispenserwillfacilitatemovementtocleanthecountertop Bunn O Maticdoesnotrecommend the use of a saddle valve to supply water to the dispenser The size and shape of the hole made in the supply line made by this type of device may restrict water flow NOTE Thewaterlevelsensorsinthismachinedonotworkwithde ionizedwater...

Страница 6: ...ons and fixtures directly connected to a potable water supply shall be sized installed and maintained in accordance with federal state and local codes INITIAL SET UP NOTE The LCR 3 HV dispenser weighs approximately 180 lbs 82 kg Use more than one person when lifting or moving the dispenser 1 Cut the straps and remove the box and foam packing 2 Locate and remove the information packets and tube kit...

Страница 7: ...allation Thumbscrew Lubricate between arrows 2 0 2 0 Tension Screw Tube Clamp Tension Screw 41129 110608 DRIP TRAY INSTALLATION 1 Unscrew the middle and right front legs Fig 1 just enough to allow the mounting bracket to slide under the legs 1 8 Caution The LCR 3 HV is very heavy Use wood blocks to hold the machine up while working underneath it 2 Insert the bracket between the legs and the base o...

Страница 8: ... dispense the desired product These also double as programming switches in the Set Up mode 7 Function Selector Switch Allows the user to set the dispenser into different dispensing modes a RINSE Dispenses hot water only Flushes the mix chamber and dispense tip b RUN Normal dispense mode Dispenses mixed product concentrate and water c PRIME Dispenses concentrate only Primes the concentrate pump 8 H...

Страница 9: ...tart heating the water and display Heating Select Flavor Dispenser models with product chillers will also begin to cool the cabinet at this time 5 The LCD will display Ready Select Flavor when the tank temperature reaches the preset Ready Temperature Note The time required to heat the water initially will vary depending on the AC Power and the temperature of the incoming water While the tank is he...

Страница 10: ...e interval to remind the operator that the Rinse Procedure needs to be preformed soon However the dispenser will Lockout and not continue to serve product once the selected time interval has elapsed NOTE The time interval between Rinses is adjustable from 8 to 24 hrs The dispenser is shipped with the Rinse Alarm disabled No Alarm It is up to the user to determine the Rinse time interval and the le...

Страница 11: ...r Mode and reset the Idle Timer Once the Energy Saver Mode is cancelled the dispenser will display Unit Re heating E Saver Mode On and not dispense product until the water temperature has reached the normal Tank Temperature Once the normal Tank Temp is reached the dispenser will revert to typical operation and displays Optional 2 Product Operation The LCR 3 HV can be configured to deliver only two...

Страница 12: ...ume Use the or buttons to adjust the Volume Use the or buttons to adjust the Volume Use the or buttons to adjust the Volume Use the or buttons to adjust the Volume Use the or buttons to adjust the Volume Use the or buttons to adjust the Volume Use the or buttons to adjust the Volume Use the or buttons to adjust the Volume Normal Display for LCR models Enter the desired Mix Ratio for the concentrat...

Страница 13: ... from standard 3 products to 2 products w Autoswitching of the Left and Middle Bibs Used to select the preferred units of measurement Oz Gal deg F or mL L deg C SelectOFFtotemporarilyoverrideacoolingsystem fault and allow the machine to dispense coffee If ice builds up on the evaporator decrease the delay If the cabinet is not cold enough increase the delay Factory Default 120 2 hrs min 30 max 180...

Страница 14: ...out dispensing until the BIB is replaced and the pump has been Primed Default is NO Select YES to Lockout dispensing until the hot water tank is at READY Temp Default is NO Select ON to enable Energy Saver Mode Default is OFF Enter the amount of inactive time before the dispenser goes into Energy Saver Mode Default is 4 hrs Maximum is 24 hrs ChooseOFFtoturnthetankheatersoffcompletely or140 F 60 C ...

Страница 15: ... Press and Hold any Dispense Switch Use the or buttons to enter volume collected Use the or buttons to adjust temperature reading Use the or buttons to adjust Empty BIB threshold The Left Pump will dispense concentrate for 10 seconds then shut off automatically Collect and measure the concentrate dispensed Enter the volume of concentrate measured from the Left Pump in mL not Oz The Middle Pump wil...

Страница 16: ...pense Valve ON Delay Eliminates weak mix at the beginning of a dispense Dispense Valve OFF Delay Flushes the mix chamber at the end of a dispense SwitchDiagnostic Activateswitchesseparatelyto test Display will indicate which Switch has been activated NOTE Door Interlock switch must be held closed RefillValveDiagnostic PressYEStomomentarily energize the Solenoid CAUTION Inlet Valve will open and wa...

Страница 17: ...ted between the pumps Refer to the Tube Installation Decal on the door for proper routing 7 Close the cabinet door PRIMING THE CONCENTRATE LINES 1 Select PRIME on the Function Selector Switch 2 Load concentrate per instructions in the section titled Loading the Concentrate 3 Place a container under the dispense tip 4 Activate the appropriate pump switch until concentrate flows from the dispense ti...

Страница 18: ... the vent tube NOTE Recovery time will be dependent on the temperature of the supply water and the supply voltage to the dispenser OPERATING THE DISPENSER The Cabinet door must be closed latched and the Function Selector Switch set to RUN to dispense coffee To Dispense Coffee 1 Select the desired volume 1 2 or 3 using the rotary switch 2 Place the appropriate container under the dispense tip 3 Pre...

Страница 19: ...p tubing 6 Continue dispensing until the water is clear and no soapy water is being dispensed 7 Prepare 2 5 gallons 9 46L of sanitizing solution by dissolving 1 packet of Kay 5 sanitizer into 2 5 gallons 9 46L of 120 F 48 9 C water to ensure 100 ppm of available chlorine 8 Again repeatsteps3and4withthesanitizingsolution Oncesanitizingsolutionisvisible continuetodispense for 1 minute Release handle...

Страница 20: ...remove it from the notch in the pump housing releasing the tube compression band 4 Open the compression band and gently pull the pump tube from around the pump s rotor 5 Inspect the pump bands for signs of cracking or excessive wear Replace if necessary 6 Apply lubricant BUNN O MATIC part number M2531 0001 to the new pump tubing s rotor side 7 Insert the tube onto the mix chamber port then wrap th...

Страница 21: ...mum of 18 gallon capacity 5 Make sure drain clamp is closed Then remove drain plug 6 Direct tube into sink or container and open drain clamp Continue draining tank until ALL of the water is out CAUTION The water may be very hot as it drains out of the tank Make sure the hose is directed away from the body 7 Close drain clamp insert drain plug place drain tube back into machine and replace the acce...

Страница 22: ...vice Department Only qualified service personnel should perform inspection testing and repair of electrical equipment Shortingtheterminalsortheapplicationofexternalvoltagestoelectroniccomponentsmayresultincomponent or circuit board failure Intermittent operation of electronic circuit boards is unlikely board failure will normally be permanent If an intermittent condition is encountered the cause w...

Страница 23: ... Faulty overflow switch OVERFLOW FAULT Service Required Service Required Service Required 1 Tank Heater failure 2 Triac failure 3 Tank Temp sensor failure HEATING TIME TOO LONG CHECK HEATING CIRCUIT Screen Displayed Possible Cause Troubleshooting Procedures Check water supply valve Service Required 1 Water shut off to dispenser 2 Inlet Solenoid Valve failure FILL TIME TOO LONG CHECK WATER SUPPLY S...

Страница 24: ...onnected 3 Corresponding Temperature Sensor Probe wire s shorted to housing or to each other 1 ColdSensor wire s shortedtohousing or to each other 2 Product cabinet temperature too high 3 Product cabinet temperature too low COND PROBE FAULT CHECK COND PROBES CHK DISP SWITCHES CHK CONNECTIONS JUMPER FAULT CONFIG NOT VALID CHECK J 18 ON CONTROL BOARD 1 Concentrate buildup on probes 2 Machine dispens...

Страница 25: ...l the concentrate has dripped out 8 Measure the volume of concentrate collected in the graduated cylinder The acceptable range for the volume collected for the 1 4 tubing is 50 60 ml 9 If the amount collected is not within the acceptable range empty the graduated cylinder and repeat STEPS 6 8 10 If the amount collected is still not within range replace the pump tubing with a new Tube Kit refer to ...

Страница 26: ...htly will cause the Empty BIB warning to come on sooner Lowering the threshold will draw more concentrate from the BIB but could allow dispensing of weak coffee 1 Set the Function Switch to the Rinse position 2 Place a 1 2 gal or larger container under the dispense tip then activate and hold the left dispenser 3 Dispense long enough to rinse all the concentrate out of the mix chamber and for the c...

Страница 27: ...UN PRIME N L2 L L1 V V POWER SUPPLY 1 2 3 4 5 6 7 YES EXIT NO TOUCHPAD GRN GRN SCHEMATIC WIRING DIAGRAM LCR 3 HV WHI YEL BLK BLK ORN GRN BLU BLK BLU RED BLK BLU RED WHI RED RED BLK WHI YEL WHI YEL WHI RED J1 1 J1 5 J1 10 J1 12 BLK GRN WHI GRY LEFT PUMP RED BLK LEFT RPM SENSOR RED BLK GRN WHI YEL BLU BLK WHI YEL WHI YEL WHI BLU YEL WHI GRY BLK AUXILLARY CONTROL BOARD RELAY TAN TAN WHI RED BLK BLK B...

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