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Borg & Overstrom B4.2 Install & Operation Manual page 22

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Problem/Report
Problem/Report
Slow but Continuous Water
Dispense from Ambient or Cold
Tap
Intermittent Water Dispense from
Ambient or Cold Water Valve
Intermittent Water Dispense from
Ambient or Cold Water Valve
and
hammering noise.
Continuous Water Dispense from
Ambient/Cold or Hot water
valve.
Possible Cause
Possible Cause
Low incoming water
pressure.
Trapped air in
pipework (especially
where water pressure
is low after
filter change).
Button not being
pressed enough.
Faulty PCB.
Fluctuating mains
water pressure
situation.
Button jammed
on/faulty.
Debris blocking hole
in diaphragm
window.
Suggested Action
Please contact technical support.
Suggested Action
Consider replumbing to alternative supply if
possible.
Fit Booster pump set.
Hold button on to purge air out (This could
take several minutes where pressure is low).
Pre-flush filters.
Press button firmly. Could be caused by
surrounding cold
environment making the button stiffer.
Replace PCB.
Please contact technical support.
Replace PCB or/button panel as
needed.
Dismantle valve and clean out.

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