Bunn TNTF-3 - Manual (Page 11)

Page 11
TROUBLESHOOTING (cont.)
PROBLEM
Consistently high or low beverage
level in the dispenser. (cont.)
Spitting or excessive steaming
Drip-out time too long
Dripping from sprayhead
PROBABLE CAUSE
2. External Strainer/Flow Control
(.750 GPM)
1. 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.
2. Control Thermostat
1. Funnel Tip
1. Syphon System
2. 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.
3. Brew Solenoid Valve
A) Iced Tea
B) Hot Tea
REMEDY
(A) Direction of flow arrow must be
pointing towards brewer.
(B) Remove the strainer/flow con-
trol and check for obstructions.
Clear or replace.
Inspect tank assembly for excessive
lime deposits. Delime as required.
Refer to Service - Control Thermo-
stat for testing procedures. See
page 23
The brew funnel should be cleaned
thoroughly before each brew cycle
to lessen the chance of tea leaf par-
ticles clogging the drip-out tip.
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.
Refer to Service - Brew Solenoid
Valve (Iced Tea) for testing proce-
dures. See page 16
Refer to Service- Brew Solenoid
Valve (Hot Tea) for testing proce-
dures. See Page 15
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