Mira event Installation, Operation, Maintenance Manual page 30

Malfunction
Pump speed does
not increase when
flow knob turned
towards maximum
position.
Low or no water
Pump does not
stop.
Cause
Micro-switch defective.
Isolating valves closed.
Inlet filters blocked.
Check valve fitted
incorrectly.
Appliance sited above
cold water storage
cistern
Plumbing system fault
(airlock)
Blocked spray plate.
Micro-switch defective.
PCB failure.
30
Remedy
Renew.
Open valves
Clean filters.
Refer to "Maintenance:
Check Valve Renewal".
The appliance is not suitable
for negative head
installations. Refer to
"Installation
Requirements".
Re-route the pipework to
avoid airlock.
Clean spray plate. Refer to
the Installation, Operation
and Maintenance guide
supplied with the shower
fittings.
Renew.
Renew.