Mira Extreme Thermostatic, Installation & User Manual

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30
Malfunction Cause Remedy
Check power supply.
Renew the PCB.
If the thermal switch operates re-
peatedly contact Kohler Mira for
further advice.
Drip from shower
head. Solenoid valve defec-
tive. Renew the solenoid assembly.
Renew the PCB.
Isolating valves
closed.
Inlet filters blocked.
Check valve fitted in-
correctly.
Appliance sited above
cold water storage cis-
tern.
Plumbing system fault
(airlock).
Blocked spray plate.
Open valves.
Clean filters.
Refer to " Maintenance: Inlet
Manifold, Check Valve ".
The appliance is not suitable for
negative head installations. Refer
to "
Installation Requirements ".
Reroute the pipework to avoid
airlock.
Clean spray plate. Refer to the
Installation and User guide supplied
with the
shower fittings .
Pump speed does
not change.
Low or no water flow.
Pump does not op-
erate.
PCB failure.
Electrical supply failure.
PCB failure.
Motor overheated, ther-
mal switch operated.
Pump does not stop. Microswitch failure.
PCB failure.
Renew the harness assembly.
Renew the PCB.