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Malfunction
Drip from shower
head.
Pump does not op-
erate.
Pump speed does
not change.
Low or no water flow.
Pump does not stop.
30
Cause
Solenoid valve defec-
tive.
Electrical supply failure.
PCB failure.
Motor overheated, ther-
mal switch operated.
PCB failure.
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.
Microswitch failure.
PCB failure.
Remedy
Renew the solenoid assembly.
Check power supply.
Renew the PCB.
If the thermal switch operates re-
peatedly contact Kohler Mira for
further advice.
Renew the PCB.
Open valves.
Clean filters.
Refer to "Maintenance:
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.
Renew the harness assembly.
Renew the PCB.
Inlet
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