Bunn LCA-2 LCC-2 manual Screen Displayed

Page 24

Troubleshooting (Continued)

Screen Displayed

 

Possible Cause

 

 

Troubleshooting Procedures

 

 

 

 

 

 

 

 

FINS TEMP SENSOR

1.

Corresponding

Temperature

Sensor

Service Required

OUT OF RANGE

 

Probe wire(s) broken or disconnected.

 

 

 

 

 

 

 

 

 

CHECK FOR BAD

 

 

 

 

 

CONNECTIONS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TANK TEMP SENSOR

1.

Corresponding

Temperature

Sensor

Service Required

OUT OF RANGE

 

Probe wire(s) shorted to housing, or to

 

 

 

 

 

each other.

 

 

 

CHECK WIRE FOR

 

 

 

 

 

SHORTS

 

 

 

 

 

 

 

 

 

 

 

 

 

COOL TEMP SENSOR

1. Corresponding Temperature Sensor

OUT OF RANGE

Probe wire(s) shorted to housing, or to

 

 

 

each other.

CHECK WIRE FOR

 

SHORTS

 

Check to confirm that wire(s) are not pinched between two surfaces or connected to each other.

FINS TEMP SENSOR

1.

Corresponding Temperature Sensor

Service Required

OUT OF RANGE

 

Probe wire(s) shorted to housing, or to

 

 

 

 

 

each other.

 

CHECK WIRE FOR

 

 

 

SHORTS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LEFT PUMP FAULT!

1.

Motor failure

Service Required

CHK PUMP WIRING

2.

RPM Sensor failure

Service Required

 

 

 

CHK RPM SENSOR

 

 

 

CHK TUBING AREA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RT PUMP FAULT!

1.

Motor failure

Service Required

CHK PUMP WIRING

2.

RPM Sensor failure

Service Required

 

 

 

CHK RPM SENSOR

 

 

 

CHK TUBING AREA

 

 

 

 

 

 

 

COOLER FAULT!

1.

Thermoelectric Vents blocked

Remove blockage source

CHECK FAN WIRING

2.

Ambient temperature too high

Move machine to cooler location

 

 

 

 

 

 

 

 

 

 

 

 

CHECK FANS

3.

Fan failure

Service Required

FOR BLOCKAGE

4.

Thermoelectric chiller failure

Service Required

 

 

 

 

 

 

 

 

 

24

34766 112502

 

Image 24
Contents Post Office BOX SPRINGFIELD, Illinois Phone 217 529-6601 FAX 217Contents Optional Field Wiring IntroductionUser Notices Field Wiring Terminal Block Diagram Electrical RequirementsPlumbing Requirements Initial SET-UP Electrical HOOK-UPPlumbing HOOK-UP Setting Dispenser Flow Rate Removing the restrictorsReprogramming the Dispenser Flow Rate Tube Selection Chart Selecting the Correct Pump TubingDispense RateOperating Controls and Interface 1513Initial Fill & Heat FlavorGard Feature Rinse Alarm Feature Brew Temperature Lockout FeatureProgramming the Dispenser 351 +SET RT Tube Size Exit 3/16RT Disp Volume LF Product Disp 0GAL RESET? RT Product DispEnter Password Ready TempAction Description Rinse Time ? 12 Hrs +CAL LF WTR Flow Pull Dispenser Menu Screen Action CAL Right Pump ? Pull DispenserCAL RT WTR Flow Pull Dispenser CAL Right Side ? Exit YESWTR Start Delay WTR Stop DelayFactory Defaults No YES Action Description 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 Calibrating the Left Side Dispenser 47 ml22 ml Field Calibrating the Empty BIB Warning Oz/sec 53 ml/sec w/ flow restrictorOz/sec 74 ml/sec w/o 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.