Bunn LCA-2 PC, LCC-2, LCA-2A Troubleshooting Dispenser Diagnostics-LCD Display, Possible Cause

Page 29

Troubleshooting (Continued)

Dispenser Diagnostics-LCD Display

Screen Displayed

 

Possible Cause

Troubleshooting Procedures

 

 

 

 

 

 

LF TARGET RPM

1.

The Tube Size selected for the Left

Refer to “Selecting the Correct Pump

TOO HIGH !!

 

Hand Dispenser is too small for the

Tubing” section of the manual.

 

 

 

 

application.

Refer to recommended Dispense Ratio

 

 

 

 

 

 

 

2.

The Ratio selected for the Left Hand

TUBE TOO SMALL

CHECK DISP RATIO

 

Dispenser is not correct for the

on the product label.

 

 

 

 

application.

 

 

 

 

 

 

 

RT TARGET RPM

1.

The Tube Size selected for the Right

Refer to “Selecting the Correct Pump

TOO HIGH !!

 

Hand Dispenser is too small for the

Tubing” section of the manual.

 

 

 

 

application.

Refer to recommended Dispense Ratio

 

 

 

 

 

 

 

2.

The Ratio selected for the Right

TUBE TOO SMALL

CHECK DISP RATIO

 

Hand Dispenser is not correct for the

on the product label.

 

 

 

 

application.

 

 

 

 

 

 

 

LF TARGET RPM

1.

The Tube Size selected for the Left

Refer to “Selecting the Correct Pump

TOO LOW !!

 

Hand Dispenser is too large for the

Tubing” section of the manual.

 

 

 

 

application.

Refer to recommended Dispense Ratio

 

 

 

 

 

 

 

2.

The Ratio selected for the Left Hand

TUBE TOO LARGE

CHECK DISP RATIO

 

Dispenser is not correct for the

on the product label.

 

 

 

 

application.

 

 

 

 

 

 

 

RT TARGET RPM

1.

The Tube Size selected for the Right

Refer to “Selecting the Correct Pump

TOO LOW !!

 

Hand Dispenser is too large for the

Tubing” section of the manual.

 

 

 

 

application.

Refer to recommended Dispense Ratio

 

 

 

 

 

 

 

2.

The Ratio selected for the Right

TUBE TOO LARGE

CHECK DISP RATIO

 

Hand Dispenser is not correct for the

on the product label.

 

 

 

 

application.

 

 

 

 

 

 

 

LEFT BIB EMPTY!

1.

Concentrate BIB is Empty.

Replace BIB, see loading the Concentrate

 

 

 

2.

BIB Not properly connected.

Check BIB Connector Fittings

REPLACE PRODUCT

3.

Tubing kinked or blocked.

Check Tubing installation

CHECK THRESHOLD

4.

Empty BIB Warning set too high.

Check Threshold, see Field Calibrating

 

 

 

 

 

the Empty BIB Warning

 

 

 

 

 

 

RIGHT BIB EMPTY!

1.

Concentrate BIB is Empty.

Replace BIB, see loading the Concentrate

 

 

 

2.

BIB Not properly connected.

Check BIB Connector Fittings

REPLACE PRODUCT

3.

Tubing kinked or blocked.

Check Tubing installation

CHECK THRESHOLD

4.

Empty BIB Warning set too high.

Check Threshold, see Field Calibrating

 

 

 

 

 

the Empty BIB Warning

 

 

 

 

 

 

29

34766.1 010313

 

Image 29
Contents Phone 217 529-6601 FAX 217 LCA-2 LCA-2A LCA-2 PC LCC-2BUNN-O-MATIC Commercial Product Warranty Introduction Contents00656.0001 User Notices37881.0000 28181.0003 11646.0002 40054.0000 00824.0002 47624.0000Models without Master ON/OFF Switch Field Wiring Terminal Block DiagramModels with Master ON/OFF Switch Electrical RequirementsPlumbing HOOK-UP Plumbing RequirementsElectrical HOOK-UP Initial SET-UP Installing the Drip Tray and Flip Down CUP Tray1513 Operating Controls and InterfaceDispense Selecting the Correct Pump TubingRate Oz/sec 16 I.D. TubingReprogramming the Dispenser Flow Rate Setting Dispenser Flow RateRemoving the restrictors Procedure for Adjusting the Mix Ratio to Taste Adjusting MIX RatiosAlarm Mode FlavorGard FeatureRinse Alarm Feature Brew Temperature Lockout Feature BIB Empty Lockout FeatureMenu Screen Action Description Tank Temp Programming the Dispenser351 + Exit 3/16RT Disp Volume LF Disp VolumeMenu Screen Lock Flavor ? Exit YES Flavors Locked 0oz +Exit + Menu Screen Tank TempReady Temp Cabinet TempRinse Time ? 12 Hrs + Menu ScreenAction Description CAL Left Pump ? Pull DispenseCAL Right Pump ? Pull Dispenser Menu Screen ActionCAL RT WTR Flow Pull Dispenser CAL Right Side ? Exit YESWTR Stop Delay WTR Start DelayTest LED’S ? No Exit YES Test Switches ? Test Refill ? Exit YESInitial Fill & Heat Priming the Concentrate Lines Loading the ConcentrateFilling Cambros or other large containers Operating the Pull & Hold DispenserModels LCA-2 PC, LCA-2C PC, LCA-2A PC Operating the Preset Portion Control DispenserGeneral Cleaning and Sanitizing Procedures Daily Rinsing Cleaning & Preventative MaintenanceDaily Parts Washing Weekly SanitizingReplacing the Pump Tubing Preventive MaintenanceDraining the HOT Water Tank Front Panel LED Display Messages TroubleshootingPower LED OFF Left Refill LED on Internal FaultBIB Not properly connected Check BIB Connector Fittings Troubleshooting Dispenser Diagnostics-LCD DisplayTubing kinked or blocked Check Tubing installation Possible CauseScreen Displayed Possible Cause Evaporator temperature too high Corresponding Temperature SensorAir intake filter clogged Clean Air Filter Wiring failureCalibrating the Left Side Dispenser Oz/sec 53 ml/sec w/ flow restrictor Field Calibrating the Hot Water Flow RateOz/sec 74 ml/sec w/o flow restrictor Calibrating the Right Side DispenserCalibrating The Empty BIB Threshold Field Calibrating the Empty BIB WarningLCA-2/LCA-2, PC/LCA-2C/LCA-2C, PC/LCC-2/LCC-2C Schematic Wiring DiagramSchematic Wiring Diagram LCC-2A/LCA-2A/LCA-2A, PC
Related manuals
Manual 34 pages 56.59 Kb Manual 26 pages 22.61 Kb

LCA-2 PC, LCA-2A, LCC-2 specifications

The Bunn LCC-2, LCA-2 PC, and LCA-2A are high-performance commercial coffee brewers designed to meet the demands of busy coffee shops, restaurants, and other food service establishments. These machines are known for their efficiency, durability, and advanced brewing technologies, making them popular choices in the industry.

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In summary, the Bunn LCC-2, LCA-2 PC, and LCA-2A represent the pinnacle of commercial coffee brewing technology. Their unique features, including programmable settings, large brewing capacities, and durable constructions, cater to the diverse needs of the food service industry. Each model emphasizes convenience, flexibility, and quality, making them invaluable assets in any professional coffee environment.