Bunn Single Operating & Service Manual page 12

TROUBLESHOOTING (cont.)
Problem
Inconsistent beverage level in server.
(cont.)
Consistently high or low beverage
level in server.
Dripping from sprayhead.
Water overflows filter.
Beverage overflows server.
Weak beverage.
Probable Cause
3. Dispense valve
1. Timer adjustment
1. Dispense valve
1. Bypass valve (Electro/mechani-
cal)
2. Type of paper filters
3. No sprayhead
1. Beverage left in server
2. Timer adjustment
3. Dispense valve
1. Type of paper filters
2. Coffee
3. Sprayhead
Page 12
Remedy
Refer to Service - Dispense valve for
testing procedures. See page 22
Adjust the timer as required to
achieve the recommended volume
for each brew cycle.
Refer to Service - Dispense valve
for testing procedures. See page
22
Refer to Adjustments on page 5
step #7. For test procedures see
page 15.
BUNN paper filters should be used
for proper extraction.
Check sprayhead
The brew cycle should be started
only with an empty server under
the funnel.
Adjust the timer as required to
achieve the recommended 192 oz for
each 1-1/2 gallon brew cycle.
Refer to Service - Timer for testing
procedures. See page 36 & 38
Refer to Service - Dispense valve for
testing procedures. See page 22
BUNN paper filters should be used
for proper extraction.
A sufficient quantity of fresh drip
or regular grind should be used for
proper extraction.
B.O.M. sprayhead #01082.0002
should be used to properly wet the
bed of ground coffee in the funnel.
27038 091900