Bunn Dual SH - Manual (Page 46)

Page 46
TROUBLESHOOTING (cont.)
Problem Possible Cause Troubleshooting Procedures
29877 091201
Weak beverage (cont.)
Brewer is making unusual noises.
6. Incorrect Recipe
1. Solenoid (Inlet)
2. Plumbing lines
3. Water Supply
4. Tank Heaters.
Consider adjusting bypass percent-
age, preinfusion, or pulse brew.
Contact Bunn-O-Matic for sugges-
tions.
The nut on back of 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 be higher than 90 psi (620
kPa). Install a regulator if necessary
to lower the working pressure to
approximately 50 psi (345 kPa).
Remove and clean lime off tank heat-
ers.