8
TROUBLESHOOTING (cont.)
PROBLEM PROBABLE CAUSE REMEDY
BREWING CIRCUIT (cont.)
Dripping from sprayhead
Weak beverage
Dry coffee grounds remain in the
funnel
Low beverage serving tempera-
ture
1. Lime build up
2. Dispense valve
1. Sprayhead
2. Water temperature
3. Filter type
4. Coffee grind
5. Funnel loading
1. Sprayhead
2. Funnel loading
1. Thermal server/airpot not pre-
heated before brew cycle
Inspect the tank assembly for ex-
cessive lime deposits. Delime as
required.
Check/replace
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 fi lters must be used
for proper extraction.
A fi ne drip or grind must be used
for proper extraction.
The BUNN® paper fi lter must be
centered in the funnel and the bed
of grounds leveled by shaking
gently.
Make sure sprayhead is present and
holes are clear and unobstructed.
The BUNN® paper fi lter must be
centered in the funnel and the bed
of grounds leveled by shaking
gently.
Preheat server
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