Borg & Overstrom u1, Install & Operation Manual, Page: 43 / 64

u1 Undercounter Systems Install & Operation Guide | 43
GB
Trouble Shooting
Fault Diagnosis Guide 6 – Miscellaneous
Problem/ Report Possible Cause Suggested Action
Slow but Continuous Water Dispense
From Ambient or Cold Water
Valve Low incoming Water pressure. Consider re-plumbing to alterna-
tive supply if possible or boosting
the inlet supply pressure.
From Sparkling
Water Valve Low/no CO2 Pressure. Check Regulator and/or replace
cylinder.
Intermittent Water Dispense
From Ambient or Cold Water
Valve Trapped air in pipe work (espe-
cially where water pressure is low
or after filter change). Hold button on to purge air out.
(This could take several minutes
where pressure is low).
Button Not being pressed
enough. Press button firmly N.B.
This could be caused by a
surrounding cold environment
making the action stiffer.
Faulty Control PCB Replace Control PCB.
From Ambient or Cold Water
Valve and hammering noise Fluctuating mains water pressure
situation. Contact Technical Support
regarding special replacement
washers available.
Continuous Water Dispense
From Ambient/
Cold or Sparkling Water Valve. Button jammed on/faulty. Replace Control PCB and or/
button Panel as needed.
Debris blocking hole in dia-
phragm washer. Dismantle Valve and clean out.
Faulty solenoid valve. Check valve and replace if
needed.