Mira Mode Maxim, Installation And User Manual

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Symptoms Probable Cause Possible Remedy
Low flow (cont.) Digital Mixing Valve box failure. Contact Customer Services.
Flow stops during showering ‘Shower run time’ setting is
enabled. Shower run time reduces
the shower run time to a user
defined time.
No product fault, refer to ‘using
the shower’ in the user interface
manual or check the ‘shower
duration’ within the APP.
Outlet hose or handset blocked. Check for correct installation
practices, repeat commissioning
procedure and rearrange pipework
to avoid airlock forming, refer to
‘Typical Suitable Installations’.
Combination boiler cutting in and
out (HP/Combi valve only) causing
blend temperature fluctuations.
Refer to ‘Use of Flow Regulators’
for correct operation.
Cold inlet water supply pressure
too low or fluctuating.
Ensure the water supply pressures
are stable and nominally equal,
refer to ‘Specifications’.
Cold inlet water supply failure. Check and remedy.
Inlet filters or check valves
blocked.
Check and remedy, refer to
‘Maintenance’.
Digital Mixing valve air locking. Check for correct installation
practices, repeat commissioning
procedure and rearrange pipework
to avoid airlock forming, refer to
‘Typical Suitable Installations’.
Reversed inlet supplies. Check and remedy. This can be
reversed easily via the APP -
‘Settings’ screen - ‘Outlet Setup’
screen.
Digital Mixing Valve box failure. Contact Customer Services.
Showering temperature too cool Temperature adjustment on
interface set too low.
Increase temperature by rotating
temperature indicator.
Inlet filters or check valves
blocked.
Check and remedy, refer to
‘Maintenance’.
Outlet hose or handset blocked. Check and remedy.
Reversed inlet supplies. Check and remedy.
Hot inlet water supply temperature
is too cool.
Increase hot inlet water
temperature to between 55°C and
65°C, refer to ‘Specifications’.
Insufficient quantity of stored hot
water.
Hot water supply running out,
increase storage capacity to
minimum 120 litres, refer to
‘Specifications’.
Inlet water supply pressures are
unstable or imbalanced.
Ensure the water supply pressures
are stable and nominally equal,
refer to ‘Specifications’.
Combination boiler cutting in and
out (HP/Combi valve only).
Refer to ‘Use of Flow Regulators’
for correct operation.
Outlet pipe run is too long. Ensure outlet pipe work is
thermally lagged.
Symptoms Probable Cause Possible Remedy
Showering temperature too cool
(cont).
Digital Mixing Valve box failure. Contact Customer Services.
Shower temperature too hot or
fluctuates.
Temperature adjustment on
Controller set too high.
Increase the temperature by
rotating the temperature indicator.
Hot inlet water supply temperature
is too hot.
Reduce hot inlet water temperature
to between 55°C and 65°C, refer to
“Specifications”.
Inlet filters or check valves
blocked.
Check and remedy, refer to
‘Maintenance’.
Combination boiler cutting in and
out (HP/Combi valve only) causing
blend temperature fluctuations.
Refer to “Use of Flow Regulators”
for correct operation.
Inlet water supply pressures are
unstable or imbalanced.
Ensure the water supply pressures
are stable and nominally equal,
refer to ‘Specifications’.
Shower temperature affected by
the use of adjacent hot/cold tap.
Insufficiently sized pipework to
feed both Digital Mixing Valve and
taps at the same time.
Increase pipe sizes or separately
feed shower, refer to ‘Installation’
for correct plumbing method.
Digital Mixing Valve box or
Controller failure.
Contact Customer Services.
Internal leaking. Pumped Gravity LP valve fitted to a
HP/Combi water system.
Pumped Gravity LP valves are
not suitable for connection to HP/
Combi water systems, refer to
“typical suitable installation”.
Digital Mixing Valve box failure. Contact Customer Services.
No shut off / continuous flow /
shower fitting drain down.
Natural drain down of shower
fittings.
No product fault. It is natural for
all shower outlets to continue to
expel water for a short period of
time after use. It is not uncommon
for larger deluge shower heads,
particularly those connected to
long outlet pipe runs and therefore
holding large volumes of water, to
drain down water several hours
after use due to the changes in the
ambient temperature. We would
therefore recommend that all water
outlets are kept enclosed within the
water catchment area.
Digital Mixing Valve box failure. Contact Customer Services.
Noise. Digital Mixing Valve air locking. Check for correct installation
practices, repeat commissioning
procedure and rearrange pipework
to avoid airlock forming, refer to
‘Typical Suitable Installations’.