Bunn TWIN, ITB manual Troubleshooting, Problem, Probable Cause, Remedy

Bunn TWIN, ITB manual Overview only Some Screens Omitted, Icb Itb/Itcb Bunn ITB, TWIN manual Procedure to select switch recipes, No Name Coffee Itcb, Procedure to disable a Brew Switch Bunn TWIN, ITB manual SET NEW Recipe Coffee only, SET NEW Coffee Items, Icb, Procedure for Setting the Recipe Bunn ITB, TWIN manual SET Temp ICB Master Temp Itcb, Main Screen, Ready Degree, Enable ADS Bunn TWIN From the NEW AD? screen, select Card, Enable Sanitation, Procedure for enabling sanitation Range 0.0 to 72.0 hrs Bunn ITB, TWIN manual Enable Energy Saver, Enable Fresh Timer, Hot Tea 0.5 to 8.0 hrs, Able Freshtimer Bunn TWIN, ITB manual Spray OZ/M, Procedure to set the sprayhead flow rate, Procedure to adjust the bypass flow rate setting Bunn ITB, TWIN manual Calibrate Flow, Procedure to calibrate the sprayhead flow rate, Calibrate FLOW? Bunn TWIN, ITB manual ICB Series Bunn ITB, TWIN manual Programming Functions Level 2 Bunn TWIN, ITB manual Brew Counters, Procedure to view/reset the brew counters, Itb/Itcb Bunn ITB, TWIN manual SET Recipe Temps Itcb only, Yes Bunn TWIN, ITB manual Asset Number, Service Number, Service Tools, Factory Defaults Bunn ITB, TWIN manual Troubleshooting Bunn TWIN, ITB manual Troubleshooting, Problem, Probable Cause, Remedy Bunn ITB, TWIN manual Problem Probable Cause Remedy Bunn TWIN, ITB manual Long, Ting Obstructions. Clear or replace Refill valve, If the left three digit number Bunn ITB, TWIN manual Problem Probable Cause, Automatic refill will not operate or, Control Board ON/OFF Switch Bunn TWIN, ITB manual Water flows into tank continuously Refill valve, Ting, To it is secure Bunn ITB, TWIN manual Heating Time TOO Long Bunn TWIN, ITB No bypass water Bypass valve, Recipe settings, Lime buildup Been set for the current recipe, As required Bunn ITB Inconsistent beverage level, Server/dispenser, psi 138 and 620 kPa, Head for lime buildup, Buildup, Lime buildup Bunn TWIN, ITB For proper extraction, Solenoids, Vibrate during operation, Plumbing lines, On the countertop, Water supply Bunn ITB Weak beverage Type of paper filter, Coffee, Be used for proper extraction, Sprayhead, Ground coffee in the funnel
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TROUBLESHOOTING (cont.)

PROBLEM

Temperature Too Low

Heating Time Too Long

Fill Time Too Long

Temp Sensor Out Of Range, Check For Bad Connections

Temp Sensor Out Of Range, Check Wire For Shorts

Equipment will not operate

PROBABLE CAUSE

1.Water temperature in the tank does not meet the ready tempera- ture.

1.Tank Heater failure.

2.Control Board/Thermistor fail- ure

1.Water shut off to brewer

2.Inlet Solenoid failure

3.Control Board Failure

4.ON/OFF switch is OFF

1.Temperature Sensor Probe wire(s) broken or not making con- nection

1.Temperature Sensor Probe wire(s) shorted to housing or to each other.

1. No power or incorrect voltage

REMEDY

A)Wait for the brewer to heat to the proper temperature.

B)Disable the BREW LOCKOUT function. See page 16 for proce- dure.

Service required

Service required

Check water supply shut-off

Service Required

Service Required

Turn switch ON

Check wire and connection of both black and white wires of temperature probe.

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

Measure the voltage at the terminal block and confirm that it matches the voltage specified on the brewer data plate withing +/- 10%.

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Contents Post Office BOX SPRINGFIELD, Illinois Phone 217 529-6601 FAX 217BUNN-O-MATIC Commercial Product Warranty Contents ITBItcb ICB Programming the BrewerICB Twin Programming the BrewerITB Programming Functions LevelItcb Itcb ITB Set Recipes TempsUsing a Recipe Card to load recipes Procedure to program the coffee nameProcedure to program the AD Procedure for setting Brew Lockout Procedure for setting LanguageSET Language Units Default Recipe Chart ICBDefault Assignments ICBITB/ITCB with Factory Sweetener VIEW/MODIFY Items ICBSweet Meter By Pressing SHOW,Setting Pulse Brew/PreInfusion Manual When finished, press the other batch size and repeat step #Setting Pulse Brew Easy Pulse Brew DONE?Setting Drip Time Setting Sweet Meter Optional on ItcbProcedure Overview only Some Screens Omitted ICB ITB/ITCBSelect Done to disable that brew switch Procedure to select switch recipesProcedure to disable a Brew Switch No Name Coffee ItcbSET NEW Coffee Items Procedure for Setting the RecipeSET NEW Recipe Coffee only ICBMain Screen Enable ADSSET Temp ICB Master Temp Itcb Ready DegreeProcedure for enabling sanitation Range 0.0 to 72.0 hrs Enable SanitationEnable Sanitation From the NEW AD? screen, select CardAble Freshtimer Enable Energy SaverEnable Fresh Timer Hot Tea 0.5 to 8.0 hrsProcedure to adjust the dilution flow rate setting Procedure to set the sprayhead flow rateProcedure to adjust the bypass flow rate setting Spray OZ/MProcedure to calibrate the dilution flow rate Itcb Procedure to calibrate the sprayhead flow rateProcedure to calibrate the bypass flow rate ICB Calibrate FlowICB Series Programming Functions Level 2 Procedure to view/reset the brew counters Brew CountersITB/ITCB SET Recipe Temps Itcb only YESFactory Defaults Service NumberService Tools Asset NumberTroubleshooting Probable Cause TroubleshootingProblem RemedyProblem Probable Cause Remedy Long Ting Obstructions. Clear or replace Refill valveIf the left three digit number Problem Probable Cause Control Board ON/OFF SwitchAutomatic refill will not operate or Water flows into tank continuously Refill valve TingTo it is secure Heating Time TOO Long Lime buildup Been set for the current recipe Recipe settingsNo bypass water Bypass valve As requiredServer/dispenser Brew volume adjustmentInconsistent beverage level 90 psi 138 and 620 kPaSolenoids Tank heaters Remove and clean lime off tank HeatersFor proper extraction Vibrate during operationCoffee Water temperatureWeak beverage Type of paper filter Be used for proper extraction
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ITB, TWIN specifications

The Bunn TWIN,ITB is a remarkable coffee brewing system designed for commercial use, aimed at establishments that require a high volume of coffee while maintaining superior quality. This innovative brewer stands out through its dual brewing capability, allowing users to brew two different types of coffee simultaneously. This feature is particularly beneficial for cafes, restaurants, and other food service locations where diverse customer preferences must be met efficiently.

One of the main features of the Bunn TWIN,ITB is its advanced brewing technology. The system utilizes Bunn's patented brewing process, ensuring optimal coffee extraction and flavor profile every time. It employs a digitally controlled brew timer and state-of-the-art heating elements, providing precise temperature control essential for achieving the ideal brew. This technology allows for consistent results, ensuring that each cup meets the high standards expected in a commercial setting.

The design of the TWIN,ITB is user-friendly and intuitive. It includes an easy-to-read LED display that simplifies programming and monitoring of the brewing process. This streamlined interface enables baristas to adjust settings quickly and efficiently, significantly reducing wait times for customers. Additionally, the unit's low-profile design enables it to fit seamlessly into various kitchen layouts and countertops, optimizing valuable space.

Durability and reliability are at the forefront of the Bunn TWIN,ITB's construction. Built with high-quality materials, the brewer is designed to withstand the rigors of intense daily use. Its stainless-steel finish not only provides a sleek and professional appearance but also makes it easy to clean and maintain, ensuring longevity and excellent performance throughout its lifespan.

Furthermore, the TWIN,ITB features an impressive water capacity with a built-in hot water tank. This allows users to brew large batches of coffee without interruption and offers instant hot water for tea, soups, or other hot beverages. The efficient brewing system utilizes pre-infusion technology, which saturates the coffee grounds before extraction, enhancing the overall flavor and aroma of the brewed coffee.

In summary, the Bunn TWIN,ITB is an exceptional choice for any commercial establishment looking to provide high-quality coffee efficiently. Its dual brewing capabilities, advanced technologies, user-friendly design, durability, and additional features make it a valuable addition to any coffee service operation. Whether busy mornings or afternoon rushes, this brewer ensures that every cup of coffee meets the high standards of taste and quality that customers expect.
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