Bunn CW-APS Operating & Service Manual page 12

TROUBLESHOOTING (cont.)
PROBLEM
Spitting or excessive steaming
(cont.)
Dripping from sprayhead
Water flows into tank continuously
(ON/OFF Switch "ON")
Water flows into tank continuously
(ON/OFF Switch "OFF")
Beverage overflows 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 ini-
tiate corrosive reactions resulting
in serious leaks.
3. Solenoid Valve (CWT-APS,
CWTF-APS, CWT-TS, CWTF-TS,
CWT-TSR & CWTF-TSR)
1. Timer (CWT-APS, CWTF-APS,
CWT-TS, CWTF-TS, CWT-TSR &
CWTF-TSR)
1. Solenoid Valve (CWT-APS,
CWTF-APS, CWT-TS, CWTF-TS,
CWT-TSR & CWTF-TSR)
1. Dispenser
2. Timer (CWT-APS, CWTF-APS,
CWT-TS, CWTF-TS, CWT-TSR &
CWTF-TSR)
3. Solenoid Valve (CWT-APS,
CWTF-APS, CWT-TS, CWTF-TS,
CWT-TSR & CWTF-TSR)
Page 12
REMEDY
Refer to Service - Control Ther-
mostat for testing procedures. See
page 16
The brewer must be level or slightly
lower in front to syphon properly.
Inspect the tank assembly for ex-
cessive 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 25 or 27
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 25 or 27
Remove the Solenoid Valve and
clean any obstruction. Rebuild or
replace the valve if necessary. See
page 19
10690 062300