Mira COMBIFLOW User Manual page 43

Malfunction
Shower pattern
collapses when
another cold tap
is turned on.
Shower gives hot
water when turned
cold and cold
water when turned
hot.
Shower
insufficiently hot
without pressing
red button and
rotating further.
Shower force too
strong.
No hot water
available.
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Cause
(a) Property water
supply pipe partially
blocked or
undersized.
(b) Property stop or
servicing valve not
fully open.
(c) Insufficient mains
cold water pressure.
(d) Inlet strainer
blocked.
(a) Hot and cold water
supplies have been
connected in
reverse.
(a) Adjustable
maximum
temperature
incorrectly set.
(a) Flow control fully
open.
(b) Pressure above 5
bar.
(c) Flow regulator not
fitted.
(a) Heater appliance
not igniting due to
insufficient mains
pressure or flow.
(b) Heater appliance
not igniting due to
appliance fault.
(c) Product hot or cold
isolating valve not
fully open.
(d) Hot water run out.
(e) Inlet strainer
blocked.
Remedy
Contact the local water
supplier or your installer.
Open valve.
Contact the local water
supplier or your installer.
Check and clean inlet
strainers.
Refer to section:
'Installation, Reversed
Inlet Supplies'.
Refer to section:
'Commissioning and
Control Assembly
Installation, Maximum
Temperature Setting'.
Reduce the flow. Refer
to section: 'Operation'.
Contact installer to fit a
pressure reducing valve.
Fit flow regulator.
Contact the local water
supplier or a CORGI
registered installer.
Contact a CORGI
registered installer.
Open valve.
Wait until reheated.
Check and clean inlet
strainers.
43
A B C