23
1493936-W2-A
Symptom
Start/Stop
Light is
ON or OFF
Power
Control
Position
Possible Cause
Possible Remedy
Operation of
Temperature
Control
has little or
no effect
on water
temperature
.
ON
ECO/
HIGH
Showerhead blocked.
Hose kinked or blocked.
Flow valve faulty.
Heater tank failure.
Remove and descale
showerhead.
Check hose and replace if
necessary.
Replace flow valve.
Replace heater tank.
No
change in
temperature
between
Low / Eco /
High setting.
ON
ANY
Relay PCB fault.
Insufficient mains water
pressure.
Possible failure of flow
valve, microswitch or
heater tank.
Replace heater tank / max
PCB.
Contact local water
company.
Use a suitable device to
check the continuity of
the microswitch or heater
tank and replace parts as
necessary.
Water will
not turn off.
OFF
ANY
Flow valve, solenoid or
Start / Stop switch faulty.
Replace as necessary.
Shower fails
to produce
hot water
when set on
Eco / High
setting.
ON
ECO/
HIGH
Insufficient water supply.
Possible failure of the relay
PCB or thermal switch.
Contact local water
company.
Use a suitable device to
check the continuity of
the relay PCB or thermal
switch and replace parts
as necessary.
Water leaks
from the
bottom of
the case
and there
is no flow
from the
showerhead.
OFF
ANY
Hose kinked or blocked.
The PRV has been
triggered, (the shower
has a pressure relief
valve assembly to reduce
damage if the outlet is
blocked or the shower is
frozen). When the relief
valve operates a small
rubber ball is ejected.
Check hose and replace if
necessary.
Replace heater tank.
Airboost
function
causes
spluttering
flow
from the
Showerhead
ON
ANY
The air pipe inside
the hose has become
detached from one of the
fittings.
Check hose and re-fit
either the diffuser or the air
pipe adaptor.
