Bunn FMD-3 Operating & Service Manual page 9

TROUBLESHOOTING (cont.)
PROBLEM
Product will not dispense
PROBABLE CAUSE
1. No water
2. No power or incorrect voltage to
the dispenser
3. Dispense Switch
4. Dispense Solenoid Valve
(Hot or Cold)
5. Solenoid Valve (Inlet)
6. Control Board
7. Overflow Protection Switch
8. Auger Drive
9
REMEDY
Water lines and valves to the dis-
penser must be open.
(A1) Check for 120 volts across the
black and white wires on two wire
120 volt dispenser.
(A2) Check for 120 volts across the
red and white wires and the black and
white wires and 240 volts across the
red and black wires on three wire
120/240 volt dispenser.
(A3) Check for 240 volts across the
white and black wires on two wire
240 volt dispenser.
(A4) Check for 230 volts across the
black and white wires on two wire
230 volt dispensers.
(B) Check circuit breakers or fuses.
Refer to Service - Dispense Switch
for testing procedure. See page 23
Refer to Service - Dispense Solenoid
Valve for testing procedures. See
page 34 or 35
Refer to Service - Solenoid Valve
(Inlet) for testing procedures. See
page 36
Refer to Service - Control Board
and Probe for testing procedures.
See page 19
Refer to Service - Overflow Protec-
tion Switch for testing procedures.
See page 32
Refer to Service - Auger Drive. See
page 14
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