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26
Malfunction
Cause Remedy
No water or very
low flow rate.
No hot water from
shower, with the
knobs in any
position.
Other water outlets are
being used during
showering, causing the
water pressure to drop
below the minimum
required.
The water pressure is
below the minimum
required.
Shower
temperature
cycles between
hot and cold.
The temperature is set
too high. This is causing
the thermal switch to
turn off the heating
element to reduce the
water temperature.
Clean the handset sprayplate.
Refer to the Maintenance
section of the handset manual.
The handset sprayplate
is blocked.
The incoming water
supply stop valves, or
the appliance isolating
valve, is closed.
The power is off at the
double pole switch.
Open the stop/isolating valve
completely.
Clear the blockage or replace
the hose or handset.
Switch on the power at the
double pole switch.
The hose or handset is
blocked.
Renew the fuse or reset the
MCB/RCD. If the fault persists,
contact the shower installer.
The fuse is blown or the
MCB/RCD has been
tripped, indicating a
possible electrical fault
Ensure the other water outlets,
such as the washing machine or
dishwasher, are not in use
during showering.
Ensure that the incoming water
supply stop and the isolating
valve are completely open. If
the fault persists, contact the
shower installer.
Contact installer to replace
faulty parts.
Failure of pressure switch,
micro switch or thermal
switch.
Turn the temperature knob
anticlockwise to reduce the
water temperature.