Bunn SLF Operating & Service Manual page 11

TROUBLESHOOTING (cont.)
Problem
Brewer is making unusual noises.
Probable Cause
1. Solenoid Valve
2. Plumbing lines
3. Water supply
Page 11
Remedy
The nut on top of the solenoid valve
must be tight or it will vibrate dur-
ing operation.
Plumbing lines should not rest 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. In-
stall a regulator if necessary to lower
the working pressure to approxi-
mately 50 psi.
(Added November 1999)