Bunn FMD-3 service manual Problem, Probable Cause, Remedy

Models: FMD-3

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TROUBLESHOOTING (cont.)

 

 

PROBLEM

PROBABLE CAUSE

Product will not dispense

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)

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 on three wire 120/ 240 volt dispenser.

(A3) Check for 240 volts across the white and black wires on two wire 240 volt dispenser.

(B) Check circuit breakers or fuses.

Refer to Service - Dispense Switch for testing procedure. See page 17

Refer to Service - Dispense solenoid valve for testing procedures. See page 29 or 30

Refer to Service - Solenoid Valve (Inlet) for testing procedures. See page 31

6.

Level control board and probe

Refer to Service - Level Control Board

 

 

and Probe for testing procedures.

 

 

See page 24

7.

Overflow protection switch

Refer to Service - Overflow protec-

 

 

tion switch for testing procedures.

 

 

See page 27

8.

Auger drive

Refer to Service - Auger Drive. See

 

 

page 12

7

28364 011598

 

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Bunn FMD-3 service manual Problem, Probable Cause, Remedy