Bunn TWF service manual Problem, Remedy

Page 12

TROUBLESHOOTING (cont.)

 

PROBLEM

PROBABLE CAUSE

REMEDY

Water flows into tank continuously (TEA/OFF/COFFEE Switch in the "TEA or "COFFEE" position)

Water flows into tank continuously (TEA/OFF/COFFEE Switch in the "OFF" position)

Beverage overflows dispenser

1.Brew Timer

A)Iced Tea

B)Hot Coffee

1.Brew Solenoid Valve

A)Iced Tea

B)Hot Coffee

1.Dispenser

2.Brew Timer

A)Iced Tea

Refer to Service - Brew Timer (Iced Tea) for testing procedures. See page 20 or 21

Refer to Service- Brew Timer (Hot Coffee) for testing procedures. See page 17 or 18

Refer to Service - Brew Solenoid Valve (Iced Tea) for testing proce- dures. See page 16

Refer to Service- Brew Solenoid Valve (Hot Coffee) for testing pro- cedures. See page 15

The dispenser must be completely empty before starting a brew cycle.

Refer to Service - Brew Timer (Iced Tea) for testing procedures. See page 20 or 21

B)Hot Coffee

3.Brew Solenoid Valve

A)Iced Tea

B)Hot Coffee

4.Dilution Solenoid Valve

Refer to Service- Brew Timer (Hot Coffee) for testing procedures. See page 17 or 18

Remove the Iced Tea Brew Solenoid Valve and clean any obstruction. Rebuild or replace the valve if nec- essary. See page 16

Remove the Hot Coffee Brew Sole- noid Valve and clean any obstruc- tion. Rebuild or replace the valve if necessary. See page 15

Refer to Service - Dilution Solenoid Valve for testing procedures. See page 24

Page 12

10510

071000

 

 

Page 11 Page 13
Image 12
Page 11 Page 13
Contents Post Office BOX SPRINGFIELD, Illinois Telephone 217 529-6601 FAX 217Contents WarrantyIntroduction User Notices #00656.0000 #03408.0000 #00831.0000 #02822.0000 #03409.0000Electrical Requirements Plumbing RequirementsElectrical Hook-Up Initial SET-UP Adjusting Brew Volumes CleaningTEA/OFF/COFFEE Switch Start SwitchOperating Controls BrewingTroubleshooting Problem Probable Cause RemedyTroubleshooting Problem Probable Cause RemedyDilution Iced Tea cycle will not Start Switch Brew Timer Iced TeaBrew Solenoid Valve Iced Tea Dilution Solenoid ValveLevel in the dispenser. 750 GPM Pointing towards brewer Spitting or excessive steaming Lime Build-upSerious leaks Drip-out time too long Funnel TipProblem RemedyWater Temperature Weak beverageFilter Type Tea or Coffee Used for proper extractionService Component AccessContents Service Brew Solenoid Valve HOT CoffeeSolenoid valve Brew Solenoid Valve Iced TEA Brew Timer HOT COFFEE- Early Models Digital Brew Timer If voltage is as described, proceed to #7Service Digital Brew Timer HOT Coffee Late Modelscont Digital Timer WiringService Brew Timer Iced TEA Early Models Iced TEA Brew Timer TerminalsService Digital Brew Timer Iced TEA Late Models Service Digital Brew Timer Iced TEA Late Modelscont Test Procedures Disconnect the brewer from the power source Control ThermostatDilution Solenoid Valve Remove the blue wire from the limit thermostat Limit ThermostatTEA/OFF/COFFEE Switch TEA/OFF/COFFEE SwitchStart Switch Start SwitchTank Heater Tank HeaterService Thermal Fuse Models W/Faucet Only Thermal FuseService Half Batch Switch Optional GRY to Iced Tea Brew Timer PNK to Iced Tea10510 081599 Ready Indicator BLU

TWF specifications

The Bunn TWF series is a versatile and high-performance coffee brewing system designed to meet the demanding needs of commercial coffee establishments. Renowned for its reliability and consistency, the Bunn TWF is engineered for high volume production while maintaining exceptional quality in every cup.

One of the main features of the Bunn TWF is its dual-voltage capability, which makes it adaptable to various electrical systems, ensuring that businesses can use it in different locations with ease. It is compatible with both 120V and 220V outlets, providing flexibility for commercial environments.

The TWF employs Bunn's innovative brewing technology, which includes a patented digital pulse brew feature. This system optimizes the extraction process by controlling the flow rate and brewing time, enhancing the flavor profile of the coffee and ensuring that each batch is rich and full-bodied. The ThermoFresh technology allows for excellent thermal retention, ensuring that the coffee remains hot and fresh for extended periods without a heated plate that can alter the taste.

Another significant characteristic of the Bunn TWF is its brewing capacity. The machine can brew up to 16.3 gallons of coffee per hour, making it an ideal choice for busy cafes, restaurants, and catering services. The large capacity also translates to less downtime, enabling staff to serve customers more efficiently.

The Bunn TWF is equipped with a user-friendly control interface, featuring intuitive buttons and an easy-to-read display. This allows for precise programming and brewing options, accommodating various coffee types and recipes. Users can easily set up their preferred brewing parameters, making it convenient to replicate the same great taste repeatedly.

Moreover, the design of the Bunn TWF emphasizes durability and ease of maintenance. Constructed from high-quality materials, it can withstand the rigors of daily use in a bustling coffee shop environment. The machine is also designed for easy cleaning, with removable components that simplify upkeep and prolong its lifespan.

In conclusion, the Bunn TWF is an exceptional choice for those in the coffee business looking to elevate their brewing game. With its outstanding features, advanced technologies, and user-focused design, it stands out as a leader in commercial coffee brewing solutions. Whether for a high-traffic café or a catering operation, the Bunn TWF is engineered to deliver quality and efficiency while satisfying the most discerning coffee connoisseurs.
Top Page Image Contents