Mira GO 8.5 Installation, Operation, Maintenance Manual page 32

Malfunction
Operation of
temperature knob
has little or no
effect on water
temperature.
No change in
temperature
between 'LOW'
and 'HIGH'
setting.
Water will not turn
off.
32
Cause
Flow valve faulty.
Handset spray plate
blocked.
Insufficient water supply
pressure.
Possible failure of the flow
valve, microswitch or
heater tank.
Flow valve, solenoid or on/
off switch faulty.
Supply pressure below 0.2
bar.
Remedy
Renew the flow valve.
Remove and clean, refer
to Maintenance in the
shower fittings I,O & M
guide.
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.
Renew parts as
necessary.
Contact local water
authority/undertaker.
Check water supply
static pressure.
Note! Static pressure
may fall below 0.2 bar
when other appliances
are operated e.g.
dishwasher, washing
machine etc.