Bunn TW Operating & Service Manual page 12

TROUBLESHOOTING (cont.)
PROBLEM
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
PROBABLE CAUSE
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
B) Hot Coffee
3. Brew Solenoid Valve
A) Iced Tea
B) Hot Coffee
4. Dilution Solenoid Valve
Page 12
REMEDY
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
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
10510 071000