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Bunn CW-APS User Manual

Page 13

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Page 13

TROUBLESHOOTING (cont.)

PROBLEM

Weak beverage

Dry coffee grounds remain in the
funnel

Brewer is making unusal noises
(CWT-APS, CWTF-APS, CWT-TS,
CWTF-TS, CWT-TSR, CWTF-TSR)

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

REMEDY

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 shak-
ing.

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. Adjust the

control thermostat to increase the
water temperature. Replace if nec-
essary.

The BUNN® paper filter must be
centered in the funnel and the bed
of grounds leveled by gently shak-
ing.

The nut on the solenoid must be
tight or it will vibrate during op-
eration.

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).

10690 021800

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