Bunn Dual 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
2. Needle Valve
3. Type of paper filters
4. No sprayhead
1. Beverage left in server
2. Timer adjustment
3. Dispense valve
1. Type of paper filters
2. Coffee
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 Initial Set-Up on page 5 step
#7. For test procedures see page 15
Refer to Initial Set-Up on Page 5
step #7
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 volume
for each brew cycle.
Refer to Service - Timer for testing
procedures. See page 39 or 42
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.
27040 011904