Bunn FMD-3 Coffeemaker User Manual


 
10
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 result-
ing in serious 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)
REMEDY
Inspect the tank assembly for
excessive lime deposits. Delime as
required.
Remove the dispense solenoid
valve and clear any obstructions.
Rebuild or replace the valve if
necessary. See page 30 or 31
Refer to
Service -
Control Board
and Probe for testing procedures.
See page 17
Refer to
Service
- Solenoid Valve
(Inlet) for testing procedures. See
page 32
Refer to
Service
- Overflow
Protection Switch for testing
procedures. See page 28
Refer to
Service -
Dispense
Switch for testing procedures. See
page 20
Remove the solenoid valve and
clear any obstructions. Rebuild or
replace the valve if necessary. See
page 30 or 31
29170 091598