Troubleshooting
Symptom
Symptom
Symptom
Symptom
Cause
Cause
Cause
Cause
Remedy
Remedy
Remedy
Remedy
No flow when
shower is turned
on.
Inlet filter is partially blocked.
Check insert filters for any
blockages and clean as necessary.
Blocked or damaged check
valve.
Remove check valve and clean /
replace if necessary.
Air block in either / both
supplies
Flush through supply pipework.
Piston sticking
Remove thermostatic cartridge
and piston. Service shower valve.
Refer to Maintenance section
(pages 22-23).
Pulsating flow
and / or varying
temperature.
Air block in either / both
supplies
Flush through supply pipework.
Incorrect use of flow regulators
Check and remove / replace if
necessary.
necessary.
Flow rate too
great
Flow regulators not fitted.
Fit flow regulators.
Shower valve will
not shut off.
Thermostatic cartridge not
shutting off fully.
Service shower valve. Refer to
Maintenance section (pages 22-23)
Fail safe not
working.
Shower valve requires
commissioning.
Refer to Commissioning section
(page 19).
26
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