Bunn TU3Q User Manual
Page 11
Page 11
TROUBLESHOOTING (cont.)
PROBLEM
PROBABLE CAUSE
REMEDY
Consistently high or low beverage
level in the dispenser
Spitting or excessive steaming
Drip-out time too long
Sweetener is not working
1. 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. Sweetener box is empty
2. Flow Adjustment screw is closed
3. Solenoid is defective
3. The Pump is defective
(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 19.
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.
Check the Sweetener box to make
sure it is not out of product.
Check the Flow Adjustment screw
to make sure the valve has not
closed.
Refer to
Service
-Sweetener Sole-
noid Valve for testing procedures.
See page 24.
Check the manufacturers warranty
for additional information on test-
ing and replacement of a defective
pump.
10288 031604