Bunn LCA-2 LCC-2 manual Troubleshooting, Front Panel LED Display Messages

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Troubleshooting

A troubleshooting guide is provided to suggest probable causes and remedies for the most likely problems encountered. If the problem remains after exhausting the troubleshooting steps, contact the Bunn-O-Matic Technical Service Department.

Only qualified service personnel should perform inspection, testing, and repair of electrical equipment.

This dispenser is heated at all times. Keep away from combustibles.

Front Panel LED Display Messages

Power LED “OFF”

Dispenser Not plugged in.

Check Power Cord

No AC Power

AC Circuit Breaker OFF

Check the AC Power Circuit Breaker

 

 

Service Required

 

 

 

 

 

 

Ready LED “OFF”

Usage has exceeded the

Check Tank Temp Setting

Water Temp. Too Low

capacity of the Tank Heater

Check Ready Temp. Setting

 

 

Service Required: Change the Supply Voltage,

 

 

see Optional Field Wiring

 

 

 

 

 

 

Rinse LED “ON”

Rinse Cycle Required

Rinse Dispenser, see Rinse Procedure

Rinse Timer

 

 

 

 

 

 

 

 

Rinse LED “FLASHING”

Dispenser Locked Ou

Rinse Dispenser, see Rinse Procedure

Rinse Lockout Enabled

Rinse Cycle Required

 

 

 

 

 

 

 

Portion LED “ON”

Portion Dispenser Mode

Pull the Dispense Handle within 5 sec. to

Portion Dispense

has been selected

dispense the pre-selected volume.

Enabled

 

 

 

 

 

 

 

 

Left Refill LED “ON”

Concentrate BIB is Empty.

Replace BIB, see Loading the Concentrate

Left BIB Empty

BIB Not properly connected

Check BIB Connector Fittings

 

Tubing kinked or blocked

Check Tubing Installation

 

 

Check Empty BIB Threshold

 

 

 

 

 

 

Right Refill LED “ON”

Concentrate BIB is Empty.

Replace BIB, see Loading the Concentrate

Left BIB Empty

BIB Not properly connected

Check BIB Connector Fittings

 

Tubing kinked or blocked

Check Tubing Installation

 

 

Check Empty BIB Threshold

 

 

 

 

 

 

All LED’s “FLASHING”

The Dispenser has detected an

Remove the Lower Splash Guard to view the

Fault Detected

Internal Fault

Vault Message, see Fault Messages.

 

 

HOLD the “Stop” button for 10 sec. to clear

 

 

faults

 

 

 

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Contents Post Office BOX SPRINGFIELD, Illinois Phone 217 529-6601 FAX 217Contents Introduction Optional Field WiringUser Notices Electrical Requirements Field Wiring Terminal Block DiagramPlumbing Requirements Electrical HOOK-UP Initial SET-UPPlumbing HOOK-UP Removing the restrictors Setting Dispenser Flow RateReprogramming the Dispenser Flow Rate Dispense Tube Selection ChartSelecting the Correct Pump Tubing RateOperating Controls and Interface 1513Initial Fill & Heat FlavorGard Feature Rinse Alarm Feature Brew Temperature Lockout FeatureSET RT Tube Size Programming the Dispenser351 + Exit 3/16Enter Password RT Disp VolumeLF Product Disp 0GAL RESET? RT Product Disp Ready TempRinse Time ? 12 Hrs + Action DescriptionCAL LF WTR Flow Pull Dispenser CAL RT WTR Flow Pull Dispenser Menu Screen ActionCAL Right Pump ? Pull Dispenser CAL Right Side ? Exit YESFactory Defaults No YES Action Description WTR Start DelayWTR Stop Delay Menu ScreenLoading the Concentrate Priming the Concentrate LinesOperating the Dispenser Cleaning & Preventative Maintenance General Cleaning and Sanitizing ProceduresReplacing the Pump Tubing Draining the HOT Water Tank Troubleshooting Front Panel LED Display MessagesTroubleshooting Dispenser Diagnostics Screen Displayed Possible CauseScreen Displayed 47 ml Calibrating the Left Side Dispenser22 ml Oz/sec 74 ml/sec w/o flow restrictor Field Calibrating the Empty BIB WarningOz/sec 53 ml/sec w/ flow restrictor Calibrating the Right Side DispenserSchematic Wiring Diagram LCA-2, LCA-2C,LCC-2,LCC-2C Schematic Wiring Diagram LCC-2A/LCA-2A

LCA-2 LCC-2 specifications

The Bunn LCA-2 and LCC-2 are prominent models in the realm of commercial coffee brewing systems, known for their efficiency, reliability, and innovative technologies. Designed for coffee shops, restaurants, and catering services, these machines provide exceptional performance to meet the demands of high-volume coffee brewing.

One of the main features of both the LCA-2 and LCC-2 is their brewing capacity. The LCA-2 is capable of brewing up to 7.5 gallons of coffee per hour, while the LCC-2 can brew up to 13.5 gallons per hour. This high output makes them ideal for busy environments where quick service is essential. The machines are designed to brew directly into airpots or decanters, allowing for seamless service and easy coffee transportation.

Another standout characteristic is the precise water temperature control. The Bunn LCA-2 and LCC-2 utilize advanced brewing technology that ensures water is heated to the optimal temperature of 195°F to 205°F. This precision is crucial for maximizing flavor extraction and producing a quality cup of coffee consistently. Additionally, the machines feature an electronic brew timer, which allows users to regulate brewing time and ensure that every batch meets the desired flavor profile.

The build quality of these machines is also noteworthy. Constructed from durable stainless steel, the LCA-2 and LCC-2 are engineered to withstand the rigors of a commercial environment, assisting in maintaining consistent performance over time. Their sleek and professional design not only enhances the aesthetic appeal of any coffee service area but also facilitates easy cleaning and maintenance.

Furthermore, both models are equipped with a user-friendly control panel, providing operators with intuitive functionalities. The simple interface allows for quick adjustments, providing flexibility to customize brewing settings that suit different coffee varieties and customer preferences.

In terms of energy efficiency, the Bunn LCA-2 and LCC-2 are designed to minimize energy consumption without compromising performance. They feature a built-in tank that keeps water ready for brewing, drastically reducing the wait times between brews and ensuring that coffee is always available when needed.

In summary, the Bunn LCA-2 and LCC-2 stand out in the commercial coffee brewing segment, offering an impressive combination of high brewing capacity, precision temperature control, durable construction, and user-friendly operation. These features make them excellent choices for any establishment seeking to enhance their coffee service efficiently and effectively.