Bunn TU3Q - Manual (Page 12)

Page 12
TROUBLESHOOTING (cont.)
PROBLEM
Dripping from sprayhead
Water flows into tank continuously
(ON/OFF Switch "ON")
(UNSWEET/OFF/SWEET Switch in
"UNSWEET" or "SWEET" position)
Water flows into tank continuously
(ON/OFF Switch "OFF")
(UNSWEET/OFF/SWEET Switch in
"UNSWEET" or "SWEET" position.
Beverage overflows dispenser
Weak beverage
PROBABLE CAUSE
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
1. Brew Timer
1. Brew Solenoid Valve
1. Dispenser
2. Brew Timer
3. Brew Solenoid Valve
1. Filter Type
2. Tea
3. Sprayhead
REMEDY
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 for testing procedures. See
page 15.
Refer to Service - Brew Timer for
testing procedures. See page 16 or
17.
Refer to Service - Brew Solenoid
Valve for testing procedures. See
page 15.
The dispenser must be completely
empty before starting a brew cycle.
Refer to Service - Brew Timer for
testing procedures. See page 16 or
17.
Remove the Brew Solenoid Valve
and clean any obstruction. Rebuild
or replace the valve if necessary.
See page 15.
BUNN® paper filters must be used
for proper extraction.
A sufficient quantity of fresh, loose
tea leaves should be used for proper
extraction.
A clean stainless steel sprayhead
must be used for proper extrac-
tion.
10288 031604