User guide

27
Symptom Cause Remedy
No fl ow or low
fl ow rate and
/ or varying
temperatures.
Check showerhead, hose and
fi lters for any blockage.
Clean as necessary, refer to
Maintenance section (page 26).
Partially closed stop or service
valve in water supply pipework
to the shower valve.
Open stop or service valve.
Instantaneous water heater
cycles on and off as the fl ow
rate or pressure is too low.
Increase water fl ow rate or
pressure through system.
Contact the boiler manufacturer.
Head of water is below the
minimum distance required.
Raise the cistern or fi t a shower
booster pump.
Inlet fi lter is partially blocked. Clean or replace, fl ush through
pipework before refi tting.
Hot or cold water being drawn
off elsewhere causing pressure
changes or instantaneous
boiler temperature changes.
Do not use other water outlets
when using the shower.
Make sure the maintained
inlet pressures are nominally
balanced and suffi cient.
Refer to Installation
Requirements section (pages
12-16).
Airlock or partial blockage of
the pipework.
Flush through pipework to ensure
removal of debris and any airlocks.
No hot or cold water reaching
the shower valve.
Check hot and cold feeds (the
valve will shut down if either the
hot or cold supply fails).
Water
leaking from
showerhead.
This is normal for a short time
after turning off.
Adjust angle of showerhead
in holder as necessary to vary
draining time.
Shower control valve failing
to close fully, possibly due to
water borne debris.
Remove shower control valve
assembly and check. Refer to
Maintenance section (page 26)
before dismantling shower valve.
Flow control valve seals
damaged.
Check condition of fl ow control
valve and replace as necessary.
Troubleshooting
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