Bunn TNTF-3 - Manual (Page 10)

Page 10
TROUBLESHOOTING (cont.)
PROBLEM PROBABLE CAUSE REMEDY
Dilution (Iced Tea) cycle will not
start (cont.)
Inconsistent beverage level in
dispenser (Hot Tea)
Consistently high or low beverage
level in the dispenser
2. Start Switch
3. Brew Timer (Iced Tea)
4. Brew Solenoid Valve (Iced Tea)
5. Dilution Solenoid Valve
1. Internal Flow Control (.222 GPM)
2. Syphon System
3. Lime Build-up
CAUTION - Tank and tank compo-
nents should be delimed regularly
depending on local water condi-
tions. Excessive mineral build-up
on stainless steel surfaces can ini-
tiate corrosive reactions resulting
in serious leaks.
4. Water Pressure
1. Brew Timer
Refer to Service - Start Switch for
testing procedures. See page 27
Refer to Service- Brew Timer (Iced
Tea) for testing procedures. See
page 20 or 21
Refer to Service - Brew Solenoid
Valve (Iced Tea) for testing proce-
dures. See page 16
Refer to Service - Dilution Solenoid
Valve for testing procedures. See
page 24
(A) Direction of flow arrow must be
pointing towards the brewer.
(B) Remove the flow control and
check for obstruction. Clear or re-
place.
The brewer must be level or slightly
lower in front to syphon properly.
Inspect the tank assembly for ex-
cessive lime deposits. Delime as
required.
The water pressure to the brewer
must be at least 20 psi.
With the ICED/OFF/HOT switch in
the "ICED" position adjust the needle
valve to achieve the recommended
76 oz of concentrate then the timer
to achieve a total of 396 oz for each
three-gallon brew cycle.
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