Problem/Symptom
5 Shower varies from
normal temperature to
cold during use.
6 Pressure relief
device has operated
(water ejected from
PRD tube).
7 Shower fails to shut
off when STOP button
is pressed.
Note: Identify cause of operation before fitting new PRD unit.
When fitting a new PRD, follow the commissioning procedure.
It is advised all electrical maintenance/repairs to the shower
should be carried out by a suitably qualified person.
T80si electric shower
FAULT FINDING
Fault finding (continued)
Cause
5.1 Water pressure
has dropped below
minimum required.
6.1 Blocked
showerhead.
6.2 Twisted/blocked
flexible shower hose.
6.3 Showerhead
not removed while
commissioning.
7.1 Faulty START/
STOP switch.
7.2 Debris in
solenoid.
Action/Cure
5.1.1 Wait until the water pressure resumes to
normal.
6.1.1 Clean or replace blocked sprayplate in
showerhead and then fit new PRD.
6.2.1 Check for free passage through hose.
Replace the hose if necessary and fit new PRD.
6.3.1 Fit new PRD. Commission unit with
showerhead removed.
7.1.1 Replace switch.
7.2.1 Replace solenoid valve assembly.
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