Bunn T3A, T6A service manual Troubleshooting, Problem, Probable Cause Remedy

Page 9

TROUBLESHOOTING (cont.)

PROBLEM

Brew cycle will not start (cont.)

PROBABLE CAUSE

REMEDY

5. Start Switch

Refer to Service - Start Switch for

 

 

testing procedures. See page 26

6.

Brew Timer

Refer to Service - Brew Timer for

 

 

testing procedures. See page 17 or

 

 

18

7.

Brew Solenoid Valve

Refer to Service - Brew Solenoid

 

 

Valve for testing procedures. See

 

 

page 15

Water is not hot

8. Internal Flow control (.195 GPM)

1. Limit Thermostat

CAUTION - Do not eliminate or by- pass limit thermostat or thermal cut-off. Use only BOM replacement part #29329.1000

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

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

Refer to Service - Limit Thermostat for testing procedures. See page 23

Dilution cycle will not start

2.

Control Thermostat

Refer to Service - Control Thermo-

 

 

stat for testing procedures. See

 

 

page 20

3. Tank Heater

Refer to Service - Tank Heater for

 

 

testing procedures. See page 27

1.

(A) ON/OFF Switch (T3)

Refer to Service - ON/OFF Switch

 

 

for testing procedures. See page 24

 

(B) Selector Switch (T6)

Refer to Service - Selector Switch

 

 

for testing procedures. See page 24

2.

Start Switch

Refer to Service - Start Switch for

 

 

testing procedures. See page 26

3. Dilution Timer

Refer to Service - Dilution Timer for

 

 

testing procedures. See page 22

Page 9

10145

072600

 

 

Image 9
Contents Telephone 217 529-6601 FAX 217 Post Office BOX SPRINGFIELD, IllinoisIntroduction Warranty#00831.0000 #00656.0000 #03408.0000 #03409.0000 User NoticesElectrical Requirements Plumbing RequirementsElectrical Hook-Up Initial SET-UP Fill & Heat Initial Timer AdjustmentAdjusting Brew Volumes ON/OFF Switch T3 onlyOperating Controls Selector Switch T6 only CleaningStart Switch TEA BrewingTroubleshooting Problem Probable Cause Brew cycle will not startRemedy Troubleshooting ProblemProbable Cause Remedy Dilution cycle will not start Dilution Solenoid Valve Problem Probable Cause RemedySpitting or excessive steaming Control Thermostat Drip-out time too longDripping from sprayhead Beverage overflows dispenser Weak beverage Dry tea leaves remain in the funnel Brewer is making unusal noisesPlumbing Lines Water Supply Tank Heater Service Component AccessContents Brew Solenoid Valve ServiceSolenoid Valve Terminals Service Brew Solenoid ValveIndication must be Brew TimerIf voltage is present as described, proceed to #4 If continuity is not present as described, refer toIf voltage is as described, proceed to #7 Service Digital Brew Timer Late ModelsDigital Timer Wiring Service Digital Brew Timer Late ModelscontControl Thermostat Dilution Solenoid Valves Test Procedure Disconnect the brewer from the power sourceDilution Timer ClockwiseSource. The indication must be With a voltmeter, check the voltage across Limit ThermostatON/OFF or Selector Switch WHI/VIO On left or right positionStart Switch Tank Heater 10145 072600 10145 072600 10145 072600
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T6, T6A, T3A specifications

The Bunn T6A, T3A, T6, and T3 are part of a distinguished line of commercial coffee brewers engineered for consistency, efficiency, and top-notch brew quality. These machines are well-suited for cafes, restaurants, and specialty coffee shops where reliability and performance are paramount.

The Bunn T6A is designed to brew large quantities, accommodating high-demand environments. With a capacity of six gallons per hour, this machine can quickly fulfill orders, ensuring that customers receive fresh, hot coffee without delay. It features a programmable touchpad that allows users to customize brew settings, enabling them to fine-tune extraction times and temperatures for various coffee blends. The T6A’s dual-float system provides precise water control, preventing overflow and enhancing safety.

The Bunn T3A is another exceptional model in this lineup, designed for both versatility and speed. It boasts a three-gallon capacity, making it ideal for medium-sized establishments. The T3A is equipped with Bunn's patented SplashGard funnel, which helps protect users from hot water splashes, providing an additional layer of safety. Its advanced brewing technology allows for an optimal brew temperature range, ensuring that coffee is extracted to perfection every time.

The Bunn T6 is similar to the T6A in its heavy-duty construction but focuses on a slightly different brewing capacity. Capable of producing back-to-back brews, the T6 can keep up with high-volume demands. This model features a digital brewer interface, making it user-friendly while providing detailed feedback on the brewing process. Its robust design allows for easy maintenance, ensuring it remains in peak operating condition.

Lastly, the Bunn T3 serves as a compact alternative in the series, suited for locations with limited space but requiring high-quality coffee. The T3 can brew up to three gallons per hour, seamlessly fitting into smaller setups without compromising on performance. Like its counterparts, it features programmable settings and quick brew times, providing flexibility and efficiency.

Together, the Bunn T6A, T3A, T6, and T3 represent a versatile range of commercial coffee brewing solutions. Each model is designed to deliver exceptional coffee, maintain consistent quality, and provide ease of use, making them integral tools for any serious coffee business. Whether high volume or limited space, Bunn caters to diverse needs while upholding the highest standards in coffee brewing technology.