Bunn TB3Q-LP User Manual
Page 8
Page 8
TROUBLESHOOTING (cont.)
Weak beverage
Dry coffee grounds remain in the
funnel
Brewer is making unusal noises
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
PROBLEM
PROBABLE CAUSE
BUNN® paper filters must be used
for proper extraction.
A fine or drip grind must be used
for proper extraction.
A six-hole stainless steel 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 200°F (93°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.
The nut on the solenoid must
be tight or it will vibrate during
operation.
Plumbing lines should not resting
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).
REMEDY
41722 070209