Symptom
Cause
Remedy
No flow or poor
flow rate.
Partially closed stop or service
valve in water supply pipework
to the tap.
Open stop or service valve.
Head of water is below the
minimum distance
required.
Refer to the Specification
section for minimum pressures
required.
Possible airlock / blockage
in supply pipework
Remove water supplies from
the fitting and flush the
system to remove any airlocks
/ debris.
Cartridge / Valve not
opening fully.
Service fitting. Refer to
maintenance section on page
13.
Water dripping for a
few seconds after the
tap has been turned
off.
This is caused by ‘capillary
action’ and residual water in
the spout being siphoned out.
This should only last for a
couple of seconds.
If the fitting is fitted with an
aerator this can be replaced
with a more restrictive type to
reduce the amount of water
that drips out.
Constant dripping /
leaking when the tap
is not in use.
Cartridge / Valve not
fully shutting off.
Service fitting and replace
cartridge / valve. Refer to
maintenance section on page
13.
Fitting does not turn on. Water supplies not turned on.
Check that the water supplies
to the fitting are turned on.
Closed stop or service valve.
Open stop or service valve.
Water does not come
out of the
showerhead when
using the bath
shower mixer.
Diverter mechanism not
fully open.
Open the diverter mechanism
fully by pulling the diverter
knob up.
Insufficient water pressure
/ header height.
Refer to the specification
section for minimum pressures
required.
Water from the bath
shower mixer
showerhead is not
hot.
Hot valve not fully open.
Open the valve by turning
the handle.
Possible blockage in shower
hose or handset restricting
water supply.
Check shower hose and handset
for any blockages.
Insufficient header height /
water pressure.
Refer to the specification
section for minimum pressures
required.
Troubleshooting
14
Summary of Contents for QD 1/2 C
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