Bunn CWT Twin Operating & Service Manual page 10

TROUBLESHOOTING (cont.)
PROBLEM
Inconsistent beverage level in
dispenser
Consistently low beverage level in
the dispenser
Spitting or excessive steaming
PROBABLE CAUSE
1. Strainer/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
initiate corrosive reactions result-
ing in serious leaks.
4. Water Pressure
1. Timer
2. Strainer/fl ow Control (.222
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
initiate corrosive reactions result-
ing in serious leaks.
Page 10
REMEDY
(A) Direction of fl ow arrow must be
pointing towards the brewer.
(B) Remove the strainer/flow
control and check for obstruction.
Clear or replace.
The brewer must be level or
slightly lower in front to syphon
properly.
Inspect the tank assembly for
excessive lime deposits. Delime
as required.
The water pressure to the brewer
must be at least 20 psi (138
kPa).
(A) Early Models - Timer dial must
indicate at least two minutes and
fi fteen seconds.
(B) Late Models - Refer to Service
- Digital Timer for testing proce-
dures. See page 25
(A) Direction of fl ow arrow must
be pointing towards brewer.
(B) Remove the strainer/fl ow con-
trol and check for obstructions.
Clear or replace.
Inspect tank assembly for exces-
sive lime deposits. Delime as
required.
10737 120800