Bunn CDBC Operating & Service Manual page 18

TROUBLESHOOTING (cont.)
BREWING CIRCUIT (cont.)
PROBLEM
Dripping from sprayhead
Weak beverage
PROBABLE CAUSE
1. Lime build up
2. Dispense valve
1. Sprayhead
2. Water temperature
3. Filter type
4. Coffee grind
5. Funnel loading
Page 18
REMEDY
Inspect the tank assembly for ex-
cessive lime deposits. Delime as
required.
Remove the dispense valve and clear
any obstructions. Rebuild or re-
place the valve if necessary. (See
page 24)
A clean sprayhead must be used for
proper extraction.
Place an empty brew funnel on an
empty decanter beneath the spray-
head. Initiate brew cycle and check
the water temperature immediately
below the sprayhead with a ther-
mometer. The reading must not be
less than 195°F (91°C). Adjust the
temperature setting to increase the
water temperature. Refer to Initial
Set-up instructions.
BUNN ® paper filters must be used
for proper extraction.
A fine drip or grind must be used for
proper extraction.
®
The BUNN paper filter must be
centered in the funnel and the bed
of grounds leveled by shaking gen-
tly.
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