TROUBLESHOOTING (cont.)

 

 

PROBLEM

PROBABLE CAUSE

REMEDY

Brew cycle(s) will not start (cont.)

6. Brew Timer

Refer to Service - Brew Timer (Iced

 

A) Iced Tea

 

 

Tea) for testing procedures. See

 

 

page 20 or 21

 

B) Hot Coffee

Refer to Service - Brew Timer (Hot

 

 

Coffee) for testing procedures. See

 

 

page 17 or 18

 

7. Brew Solenoid Valve

Refer to Service - Brew Solenoid

 

A) Iced Tea

Valve (Iced Tea) for testing proce-

 

 

dures. See page 16

 

B) Hot Coffee

Refer to Service- Brew Solenoid

 

 

Valve (Hot Coffee) for testing pro-

 

 

cedures. See page 15

8.Internal Flow control (.195 GPM) (Hot Coffee Only)

(A)Direction of flow arrow must be pointing towards brewer.

(B)Remove the flow control and check for obstructions. Clear or re- place.

Brew water is not hot

1. Limit Thermostat

 

Refer to Service - Limit Thermostat

 

CAUTION - Do not eliminate or by-

for testing procedures. See page 25

 

pass limit thermostat. Use only

 

 

BOM

replacement

part

 

#29329.1000

2. Thermal Fuse

CAUTION - Do not eliminate or by- pass thermal fuse.

3. Control Thermostat

Refer to Service - Thermal fuse for testing procedures. See page 29

Refer to Service - Control Thermo- stat for testing procedures. See page 23

 

4.

Tank Heater

Refer to Service - Tank Heater for

 

 

 

testing procedures. See page 28

Dilution (Iced Tea) cycle will not

1.

TEA/OFF/COFFEE Switch

Refer to Service - TEA/OFF/COFFEE

start

 

 

Switch for testing procedures. See

 

 

 

page 26

Page 9

10510

071000

 

 

Page 9
Image 9
Bunn TWF service manual Troubleshooting, Problem Probable Cause Remedy

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.