Borg & Overström B5 Install & Operation Manual page 20

Problem/Report
Intermittent Water
Dispense From
Sparkling Water Valve
Slow but Continuous
Water Dispense From
Hot Water Valve.
Intermittent Water
Dispense & Hammering
Noise
Continuous Water
Dispense
Possible Cause
Trapped air in pipe work (especially
where water pressure is low or after
filter change).
Button not being pressed enough.
Control PCB not working.
Limescale build-up inside Hot Water
Tank/Hot Water Pump/Hot Water
Dispense Pipework.
Hot Water Pump not working.
Fluctuating mains water pressure
situation.
Button jammed on/ not working.
Debris blocking hole in diaphragm
washer.
Solenoid valve not working.
Suggested Action
Hold button on to purge air out. (This
could take several minutes where
pressure is low).
Use filter function if available.
Press button firmly N.B. This could be
caused by a surrounding cold
environment making the action stiffer.
Check & replace as necessary.
Replace Hot Water Tank/Hot Water
Pump/Hot Water Dispense Pipework,
as necessary.
Check & replace as necessary.
Contact Technical Support regarding
special replacement
washers available.
Replace Control PCB and or/ button
Panel as needed.
Dismantle Valve and clean out.
Check valve and replace if needed.