Bunn CWTF - Manual (Page 17)

Page 17
TROUBLESHOOTING (cont.)
PROBLEM
Spitting or excessive steaming
Dripping from sprayhead
Brew cycle starts when ON/
LOWER Switch is turned on.
Weak beverage
Dry coffee grounds remain in
the funnel
PROBABLE CAUSE
1. Lime Build-up
1. Syphon System
Auxiliary brew start switch on
TWINS inadvertently activated.
1. Filter Type
2. Coffee Grind
3. Sprayhead
4. Funnel Loading
5. Water Temperature
1. Funnel Loading
2. Sprayhead
REMEDY
(A) Use deliming spring.
(B) Clean sprayhead. (Page 11)
The brewer must be level or
slightly lower in front to syphon
properly.
Move objects away from brewer.
BUNN® paper filters must be used
for proper extraction.
A fine or drip grind must be used
for proper extraction.
A clean spray-head must be used
for proper extraction.
The BUNN® paper filter must be
centered in the funnel and the
bed of ground leveled by gentle
shaking.
Place an empty funnel on an empty
dispenser beneath the sprayhead.
Initiate a brew cycle and check the
water temperature immediately
below the sprayhead with a ther-
mometer. The reading should not
be less than 195°F (76°C). Adjust
the control thermostat to increase
the water temperature. Replace if
necessary.
The BUNN® paper filter must be
centered in the funnel and the
bed of grounds leveled by gently
shaking.
A clean spray-head must be used
for proper extraction.
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