CUBE Manual Page 71 - Revision: 5-24-2017
2. Hot Water Flow but Cold Water is Not Flowing
Cold Water Tank Frozen. Disconnect power supply for one hour to allow the tank to defrost.
Flush the cold-water system.
Verify the temperature settings are correct.
If the cold tank is not frozen – verify the solenoid valve is operating correctly and being
turned on and off when you select the cold option.
3. Cold Water Flow but No Hot Water is Flowing
Too much water pressure. Recommend
40 to 60 psi for the Cube Water
Treatment System to operate properly.
The correct input water pressure is critical to
the performance of the unit to allow solenoids
to open.
Check water pressure at the inlet bulkhead with
a water pressure gauge.
Additional method of verification is to turn off
water to unit and press the dispense button.
Does the solenoid open without water pressure
to the unit? Listen for solenoid to activate, not
button “click”.
Adjust water pressure to 40-60 psi.
Calcium Build Up in the Hot Tank or the
hot water outlet.
Descale the Hot Tank.
Hot Solenoid Valve
Verify the hot water solenoid valve functions
correctly and turns on and off when you select
the hot option.
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