Bunn TB6 User Manual

Page 5

Brew cycle will not start (cont.) 

Water is not hot

3. ON/OFF Switch

4. Start Switch

5. Timer

6. Solenoid Valve

7. Water strainer/flow control      

    (If equipped)

1. (A) Limit Thermostat

    (B) Thermal Cut-Off (230V)

CAUTION - Do not eliminate 

or bypass limit thermostat or 

thermal cut-off. Use only BOM 

replacement parts.

2. Control Thermostat

3. Tank Heater

Refer to Service - ON/OFF 

Switch for testing. 

Refer to Service - Start Switch 

for testing procedures. 

Refer to Service - Timer for test-

ing procedures. 

Refer to Service - Solenoid Valve 

for testing procedures. 

(A) Direction of flow arrow must 

be pointing towards brewer.

(B) Remove the strainer/flow 

control and check for obstruc-

tions. Clear or replace.

Refer to Service - Limit Ther-

mostat for testing procedures. 

Thermal Cut-Off for testing 

procedures. 

Refer to Service - Control Ther-

mostat for testing procedures. 

Refer to Service - Tank Heater 

for testing procedures. 

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