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Bunn Single SH DBC* (with Smart Funnel) Owner's Manual

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Page 46
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TROUBLESHOOTING (cont.)
Problem
Possible Cause
Troubleshooting Procedures
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 resting 
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 ap-
proximately 50 psi (345 kPa).
Remove and clean lime off tank 
heaters.