Bunn OT - Page 18

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1 TROUBLESHOOTING (cont.)
Problem
Probable Cause
Remedy
Spitting or unusual steaming from
1, Control Thermostat
sprayhead.
2. Lime build-up
CAUTION
Tank and tank components should
be delimed regularly depending on
local water conditions. Excessive
mineral build-up on stainless steel
surfaces can initiate corrosive reac-
tions resulting in serious leaks.
Inconsistent beverage level in de-
1. Flow control
canter.
2. improper water pressure
3. Syphon system
Consistently high or low beverage
level in decanter.
1. Brew Timer adjustment
Dripping from sprayhead.
1. Syphon system
2. Solenoid Valve
.Refer to Service - Control Thermo-
stat for testing procedures. See
page 14.
Inspect the tank assembly for exces-
sive lime deposits. Delime as re-
quired.
(A) Direction of flow arrow must be
pointing away from the solenoid.
(B) Remove the control and check
for obstructions. Clear or replace.
Check the operating water pressure
to the brewer. It must be between
20 and 90 psi.
Water should flow freely from the
sprayhead for approximately twenty
seconds after the brew solenoid has
shut-off and then stop flowing
abruptly. The brewer must be level
from front-to-back to syphon prop-
erly.
Adjust the brew timer as required to
achieve the recommended 64 oz for
each brew cycle.
Water should flow freely from the
sprayhead for approximately twenty
seconds after the brew solenoid has
shut-off and then stop flowing
abruptly. The brewer must be level
from front-to-back to syphon prop-
erly.
Refer to Service - Solenoid Valve for
testing procedures. See page 22.
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Part I