19
Malfunction
A B
Cause
Remedy
Appliance fails to
produce hot water in
any switch position.
Electrical supply isolated at
double pole switch (the pullcord).
Fuse 'blown' or MCB/RCD tripped
- indicating an electrical fault e.g.
heater tank element failure.
Insufficient water supply
pressure.
Possible failure of the microswitch
or thermal switch.
Poor internal wire connections.
Switch on.
Correct the fault and renew the
fuse or reset the MCB/RCD.
Renew the heater tank.
Contact your local water
authority/undertaker.
Use a suitable continuity
measuring device to check the
continuity of the microswitches or
thermal switch and renew parts
as necessary.
Check integrity of internal wiring.
Shower cycles hot and
cold.
The temperature is set to an
unsafe level. To protect the
appliance, a fixed temperature
thermal switch is incorporated
that cuts the power to the heater
tank at too high a temperature.
Showerhead spray plate blocked.
Turn the temperature knob
sufficiently anticlockwise to
increase the water flow and
prevent operation of the thermal
switch.
DO NOT
tamper with the
thermal switch.
Remove & clean (refer to section:
'Maintenance'
in your shower
fittings installation and user
guide).
Operation of
temperature knob
has little or no
effect on water
temperature.
Flow valve faulty.
Showerhead spray plate blocked.
Renew the flow valve.
Remove & clean (refer to section:
'Maintenance'
in your shower
fittings installation and user
guide).
Temperature does
not change between
Medium and High
setting.
Insufficient water supply
pressure.
Possible failure of the flow valve,
microswitch or heater tank.
Contact local water authority/
undertaker.
Use a suitable continuity
measuring device to check the
continuity of the microswitch or
heater tank, check flow valve
paddles are operating the
microswitches. Renew parts as
necessary.
