SERVICE (cont.)
Solenoid Valve (Late Models)
Location:
The solenoid valve is located inside the rear of the dispenser on the right side near the bottom.
To test the solenoid valve, access will also be needed to the electronic control board.
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FIG. 14a SOLENOID VALVE
Test Procedure:
1.Disconnect the dispenser from the power source and
2.Remove the pink wire from terminal 5 of the elec- tronic control board.
3.Check the voltage across the solenoid valve coil terminals with a voltmeter. Connect the dispenser to the power source. The indication must be:
a.) 100 to 120 volts ac for 100 to 120 volt models or
b.) 200 to 240 volts ac for 200 to 240 volt models or
c.) 230 volts ac for 230 volt models after a delay of approximately 5 seconds.
4.Disconnect the dispenser from the power source.
If voltage was present as described, proceed to #5.
If voltage was not present as described, refer to the Wir- ing Diagrams and check the dispenser wiring harness.
5.Remove both wires from the solenoid valve coil terminals.
6.Check for continuity across the solenoid valve coil terminals.
If continuity is present as described, reconnect the wires and proceed to #7.
If continuity is not present as described, replace the solenoid valve coil.
7.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 after approximately 5 seconds, as the coil magnet attracts the plunger.
8.Disconnect the dispenser from the power source.
9.Reconnect the pink wire to terminal 5 of the elec- tronic control board.
If the sound was heard as described and water will not pass through the solenoid valve, there may be a blockage in the water line before or after the solenoid valve or the solenoid valve may require inspection for wear and removal of waterborne particles.
If the sound was not heard as described, replace the solenoid valve.
Removal and Replacement:
1.Remove all wires from the solenoid valve coil.
2.
3.Disconnect the water line from the solenoid valve.
4.Remove the two
5.
6.Securely install the new solenoid valve to the back panel.
7.Securely fasten the water line to the solenoid valve.
8.Reconnect the wires, FIG. 8.
WHI/BLU to Electronic
Control Board T1
WHI or RED to
Terminal Block
FIG. 14b SOLENOID VALVE WIRING
14 | 42311 071310 |
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