Bunn CWT Twin Operating & Service Manual page 12

TROUBLESHOOTING (cont.)
PROBLEM
Weak beverage
Dry coffee grounds remain in the
funnel
Brewer is making unusal noises
PROBABLE CAUSE
1. Filter Type
2. Coffee Grind
3. Sprayhead
4. Funnel Loading
5. Water Temperature
1. Funnel Loading
1. Solenoid
2. Plumbing Lines
3. Water Supply
Page 12
REMEDY
BUNN ® paper fi lters must be used
for proper extraction.
A fi ne or drip grind must be used
for proper extraction.
A clean spray-head must be used
for proper extraction.
The BUNN ® paper fi lter 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 (91°C). Adjust
the control thermostat to increase
the water temperature. Replace if
necessary.
®
The BUNN paper fi lter must be
centered in the funnel and the
bed of grounds leveled by gently
shaking.
The nut on the solenoid must
be tight or it will vibrate during
operation.
Plumbing lines should not be rest-
ing on the counter top.
(A) The brewer must be connected
to a cold water line.
(B) Water pressure to the brewer
must not exceed 90 psi (620 kPa).
Install a regulator if necessary to
lower the working pressure to ap-
proximately 50 psi (345 kPa).
10737 082903