9.
TROUBLESHOOTING
Problem/Symptom
Cause
Action/Cure
Shower varies from
normal temperature
to cold during use.
Water pressure has
dropped below minimum
required.
Wait until the water pressure resumes to
normal.
Pressure relief device
has operated (water
ejected from PRD
tube).
Shower fails to
shut off.
Blocked showerhead.
Twisted/blocked flexible
shower hose.
Showerhead not removed
while commissioning.
Faulty start/stop switch.
Debris in the solenoid.
Clean or replace blocked sprayplate in
showerhead and then fit new PRD.
Check for free passage through hose.
Replace the hose if necessary and
fit new PRD.
Fit new PRD. Commission unit with
showerhead removed.
Replace start/stop switch.
Replace solenoid valve.
NOTE:
Identify the cause of operation before fitting a new PRD unit. When fitting a new PRD,
follow the commissioning procedure.
In the unlikely event of unit failure other than detailed in the fault finding page, please
contact Customer Service for advice.
It is advised all electrical maintenance/repairs to the shower should be carried out by
a suitably qualified person.
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