Fault Diagnosis; Recommended Action - Mira Virtue Installation & User Manual

Fault Diagnosis

Only use genuine Kohler Mira replacement parts.
If you require a Mira trained service engineer or agent, please see 'Customer Service' on
the back cover of this guide.
Symptom
Only hot or cold water
from the mixer outlet.
Outlet temperature too
hot / too cold.
Fluctuating or reduced
flow rate.
Water leaking from
showerhead.
Shower noisy.
Cause
Inlets reversed (hot supply
to cold supply).
No hot water reaching
mixer.
Flow regulator fitted
incorrectly.
Air lock or partial blockage
in the pipework.
Normal for a short period
after shut off.
Water pressure high.
Water pressure unequal.
25

Recommended Action

Check the filters for any
blockage.
Installation conditions outside
operating parameters, refer to
sections: 'Specifications' and
'Commissioning'.
Check the showerhead, hose
and filters for any blockage
and clean.
Make sure that the maintained
inlet pressures are nominally
balanced and sufficient, refer
to section: 'Specifications'.
Make sure that the inlet
temperature differentials are
sufficient, refer to section:
'Specifications'.
Check that the pressures
are not in excess of the
specifications for the product.
Renew the thermostatic
cartridge.
Rectify water pressure
problem.
Renew Thermostatic cartridge
1350004-W2-A