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5. If foam level is too LOW, verify that the nitrogen line solenoid is not stuck shut by removing the rear enclosure
cover:
a. Verify that the Nitrogen supply line is active.
b. Disconnect the keg.
c. Select MACHINE INFO. See Figure 29a.
d. Select MANUAL VALVE CONTROL See Figure 29b.
e. Enter passcode 2186. This will close the solenoid.
f. Open both faucets and verify there is no flow from the faucets. See Figure 30.
g. Select GAS VALVE CLOSED on touchscreen. This will change the selection to GAS VALVE OPEN which indicates
that the valve is now open. Verify that there is Nitrogen flowing through the Faucet. See Figure 31.
h. If Nitrogen is flowing through the faucet then the Solenoid is fully functional. If there is no Nitrogen Flowing,
replace the Nitrogen Line Solenoid. Refer to Appendix H: Nitrogen Line Solenoid Replacement for procedure.
6. If there is no clog found(coffee grounds or ice formation), Nitrogen Pressure can be adjusted(the readings on the
Touch Screen respond to adjustments), Nitrogen Solenoid is functional, Check Valve is functional, Faucet
Restrictor Disk is clean, and all pressure readings are at or near nominal values, there may be a clog inside the
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