Bunn VP17A Operating & Service Manual page 7

TROUBLESHOOTING (cont.)
PROBLEM
Spitting or excessive steaming
Dripping from sprayhead
Beverage overflows dispenser
Weak beverage
PROBABLE CAUSE
1. 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.
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.
1. Dispenser
1. Filter Type
2. Coffee Grind
3. Sprayhead
Page 7
REMEDY
Inspect tank assembly for exces-
sive lime deposits. Delime as
required.
Refer to Service - Control Ther-
mostat for testing procedures.
See page 10
The brewer must be level or
slightly lower in front to syphon
properly.
Inspect the tank assembly for
excessive lime deposits. Delime
as required.
The dispenser must be completely
empty before starting a brew
cycle.
BUNN paper filters must be used
®
for proper extraction.
A fine or drip grind must be used
for proper extraction.
A six-hole stainless steel spray-
head must be used for proper
extraction.
10860.1 091300