Bunn TWF User Manual
Page 9
Page 9
TROUBLESHOOTING (cont.)
PROBLEM
PROBABLE CAUSE
REMEDY
Brew cycle(s) will not start (cont.)
Brew water is not hot
Dilution (Iced Tea) cycle will not
start
6. Brew Timer
A) Iced Tea
B) Hot Coffee
7. Brew Solenoid Valve
A) Iced Tea
B) Hot Coffee
8. Internal Flow control (.195 GPM)
(Hot Coffee Only)
1. Limit Thermostat
CAUTION - Do not eliminate or by-
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
4. Tank Heater
1. TEA/OFF/COFFEE Switch
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
(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 25
Refer to
Service
- Thermal fuse for
testing procedures. See page 29
Refer to
Service
- Control Thermo-
stat for testing procedures. See
page 23
Refer to
Service
- Tank Heater for
testing procedures. See page 28
Refer to
Service
- TEA/OFF/COFFEE
Switch for testing procedures. See
page 26
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