14. TROUBLESHOOTING AND FREQUENTLY ASKED QUESTIONS
If the performance of your shower deteriorates in service please follow the self help items detailed below before
seeking professional advice from the installer. If the actions below fail to restore the shower performance you
should initially contact the person or company that installed the shower.
Q. Water too HOT.
A. Six possible reasons:
1. Temperature control is not correctly
commissioned.
Adjust the temperature control - this is only a job
for a suitably qualified person.
2. Not enough cold water flowing through shower.
Turn temperature control anti-clockwise.
3. Increase in the ambient cold water temperature.
Turn temperature control anti-clockwise.
4. Cold water supply blocked.
Turn off shower and consult a competent
plumber.
5. High volume of cold water drawn off elsewhere
.
Reduce the simultaneous demand from the
supply.
6. Cold water filter blocked.
Remove valve and clean filters.
Q. Water does not flow or shower pattern collapses
when another outlet is turned on.
A. Check the following:
1. Water supplies cut off
Check elsewhere in house and if necessary
contact local water company.
2. Blockage in pipework.
Turn off shower and consult a suitably
competent plumber.
3. Valve filters blocked by debris in water supply.
Remove valve and clean filters.
4. Showerhead blocked.
Clean Showerhead.
5. System not capable of supplying multiple outlet
at the same time.
Reduce simultaneous demand. Check stop/
service valves are fully open. Check if enough
water pressure.
Q. Water too COLD.
A. Nine things to check:
1. Temperature control is not correctly
commissioned.
Adjust the temperature control - this is only a job
for a suitably qualified person.
2. Not enough hot water flowing through shower.
Turn temperature control clockwise.
3. Hot and Cold supplies connected the wrong way
round.
Change water feed supply so that the hot water
is going to the feed marked with a red dot.
4. Decrease in the ambient cold water
temperature.
Turn temperature control clockwise.
5. Hot water filter blocked.
Remove valve and clean filters on the inlet.
6. Insufficient hot water supplies from the heating
system.
Make sure the hot water is available by trying a
hot water tap elsewhere in the house.
7. Hot water supply blocked or restricted.
Make sure the hot water is available by trying a
hot water tap elsewhere in the house.
8. Pressure in excess of max recommended.
Turn off shower and consult a suitably
competent plumber.
9. Combi boiler may need the correct pressure/
flow setting to start heating water when the
valve is turned on.
Contact your boiler supplier.
Q. Shower controls noisy whilst in use.
A. Running pressure in excess of maximum
recommended – fit reducing disc to outlet of valve.
Q. Shower will not shut off.
A. Flow control cartridge worn – renew flow control
cartridge.
