BREW VALVE (LATE MODELS)
FIG. 14-1 LATE MODEL BREW VALVE
Location:
The brew valve is located inside the top cover behind the front face plate.
Test Procedures:
1.Refer to the Programing Section for Service Tools/ Test Outputs/Brew Valve.
2.Be sure brew funnel & server are in place before activating valve.
3.Check the valve for coil action. Turn on the valve with the test mode. Listen carefully in the vicinity of the brew valve for a click as the coil pulls the plunger in.
If no sound is heard as described, proceed to #4.
If the sound is heard as described, there may be a blockage in the valve , hose, tank, or sprayhead. Dis- connect the brewer from the power source. Remove the valve and inspect for blockage, and
4.Connect the voltmeter leads to the coil terminals. Turn on the valve with the test mode.
The indication will be
If voltage is present as described, but no coil action is observed, valve is defective. Replace valve and test again to verify repair.
If voltage is not present as described, refer to Wiring
Diagrams and check the brewer wiring harness. Also check the control board and membrane switch for proper operation.
Removal and Replacement:
1.Disconnect the brewer from the power source.
2.Disconnect wires from the valve.
3.Drain enough water from the tank so the water level is below the outlet.
4.Remove sprayhead and hose from the valve.
5.Remove the nut securing the valve to the sprayhead panel.
6.Install new valve using the nut from step 5.
7.Reinstall sprayhead and hose to the valve and secure in place with clamps.
FIG. 14-2 LATE MODEL BREW VALVE
Due to the internally rectified coil, do not attempt to test this type of coil with an ohmmeter. The reading will be open or very high resistance, depending on the polarity of your meter leads.
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