SERVICE (cont.)

SOLENOID VALVE (INLET)

J1

J2

J4

J3

J1

J2

J4

J3

P2635

FIG. 33 INLET SOLENOID VALVE

Location:

The inlet solenoid is located on the lower left side near the rear panel.

Test Procedures:

1.Disconnect the dispenser from the power source.

2.Disconnect the white and violet wires from the solenoid valve.

3.Check the voltage across the white and violet wires with a voltmeter. Connect the dispenser to the power source. The indication must be 120 volts ac for two wire 120 volt models, three wire 120/208 and 120/240 volt models.

4.Disconnect the dispenser from the power source,

If voltage is present as described, proceed to #5

If voltage is not present as described, refer to the wiring diagram and check dispenser wiring harness.

5.Check for continuity across the solenoid valve coil terminals.

If continuity is present as described, reconnect the white and violet wires to the solenoid.

If continuity is not present as described, replace the solenoid valve.

6.Check the solenoid valve for coil action. Connect the dispenser to the power source. Listen carefully in the vicinity of the solenoid valve for a "clicking" sound as the coil magnet attracts.

7.Disconnect the dispenser from the power source.

If the sound is heard as described and water will not pass through the solenoid valve, there may be a blockage in the water line before the solenoid valve or, the solenoid valve may require inspection for wear, and removal of waterborne particles.

If the sound is not heard as described, replace the solenoid valve.

Removal and Replacement:

1.Remove the white and violet wires from the sole- noid valve.

2.Turn-off the water supply to the dispenser.

3.Disconnect the water lines to and from the sole- noid valve.

4.Remove the two #8-32 screws securing the sole- noid to the rear of the dispenser housing. Remove solenoid.

5.Remove the two #8-32 U-Type fasteners from the solenoid bracket.

6.Install the two #8-32 U-Type fasteners and the two #8-32 screws on the new solenoid.

7.Install new solenoid on rear of dispenser housing and tighten the two screws

8.Securely fasten the water lines to and from the solenoid valve.

9.Refer to Fig. 34 and reconnect the wires.

WHI from Main Harness

 

VIO from Main Harness

P2641

FIG. 34 INLET SOLENOID VALVE TERMINALS

37

35135 012103

 

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Bunn FMD-4, FMD-5 service manual Solenoid Valve Inlet, Inlet Solenoid Valve

FMD-4, FMD-5 specifications

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