Mira Advance Installation, Operation, Maintenance Manual page 33

Malfunction Malfunction Malfunction Malfunction Malfunction
Mira Advance
leaks from bottom
of case.
Control panel
malfunction. e.g.
No audible tone,
continuous tone,
indicators do not
correspond with
button
depression or
indicators do not
illuminate.
Shower heats
water but does
not get hot
enough.
Shower flow rate
pulsates.
A A A A A B B B B B C C C C C
Faulty flow valve.
Faulty tank seal.
Faulty tank body/sensor
assembly.
Faulty control PCB.
Faulty wire 78 multi-
connector.
43°C link wire on control
PCB cut.
Faulty outlet sensor.
Air trapped in flow valve.
Faulty inlet sensor.
Debris in flow valve
turbine.
Pressure above 10 bar
maximum.
Cause Cause Cause Cause Cause Remedy Remedy Remedy Remedy Remedy
Renew flow valve.
Renew tank seal.
Renew tank body/
sensor assembly. Dry
thoroughly before
retrying unit.
Renew control PCB.
Renew wire 78 multi-
connector.
Re-solder link or renew
control PCB.
Renew outlet sensor.
With electrical supply
off, press air bleed
button several times.
Note! Note! Note! Water at full
Note! Note!
mains supply pressure
will flow from the
handset and a small
amount of water will be
discharged from under
the air bleed button.
Renew flow valve.
Clean turbine.
Fit pressure reducing
valve.
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