Bunn CWT Twin Operating & Service Manual page 11

TROUBLESHOOTING (cont.)
PROBLEM
Spitting or excessive steaming
(cont.)
Dripping from sprayhead
Water fl ows into tank continuously
(ON/OFF Switch "ON")
Water fl ows into tank continuously
(ON/OFF Switch "OFF")
Beverage overfl ows dispenser
PROBABLE CAUSE
2. Control Thermostat
1. Syphon System
2. Lime Build-up
CAUTION - Tank and tank compo-
nents should be delimed regularly
depending on local water condi-
tions. Excessive mineral build-up
on stainless steel surfaces can
initiate corrosive reactions result-
ing in serious leaks.
3. Solenoid Valve
1. Timer
1. Solenoid Valve
1.Dispenser
2. Timer
3. Solenoid Valve
Page 11
REMEDY
Refer to Service - Control Ther-
mostat for testing procedures.
See page 15
The brewer must be level or
slightly lower in front to syphon
properly.
Inspect the tank assembly for
excessive lime deposits. Delime
as required.
Remove the solenoid valve and
clear any obstructions. Rebuild or
replace the valve if necessary.
See page 19
Refer to Service - Timer for testing
procedures. See page 24 or 25
Remove the Solenoid Valve and
clean any obstruction. Rebuild
or replace the valve if necessary.
See page 19
The dispenser must be completely
empty before starting a brew
cycle.
Refer to Service - Timer for testing
procedures. See page 24 or 25
Remove the Solenoid Valve and
clean any obstruction. Rebuild
or replace the valve if necessary.
See page 19
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