Bunn FMD-3 Operating & Service Manual page 11

TROUBLESHOOTING (cont.)
PROBLEM
Dripping from dispense tip
Water flows into tank continuously
Product overflows container
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 resulting in seri-
ous leaks.
2. Dispense Solenoid Valve
(Hot or Cold)
1. Control Board
2. Solenoid Valve (Inlet)
3. Overflow Protection Switch
1. Dispense Switch
2. Dispense Solenoid Valve
(Hot or Cold)
11
REMEDY
Inspect the tank assembly for ex-
cessive lime deposits. Delime as
required.
Remove the dispense solenoid valve
and clear any obstructions. Rebuild
or replace the valve if necessary. See
page 34 or 35
Refer to Service - Control Board
and Probe for testing procedures.
See page 19
Refer to Service - Solenoid Valve
(Inlet) for testing procedures. See
page 36
Refer to Service - Overflow Protec-
tion Switch for testing procedures.
See page 32
Refer to Service - Dispense Switch
for testing procedures. See page
23
Remove the solenoid valve and clear
any obstructions. Rebuild or replace
the valve if necessary. See page 34
or 35
29170 080900