Mira Orbis Installation And User Manual page 26

Symptom LCD
Back
Light
Shower cycles ON
form hot to
cold
ON
ON
Handset OFF
dripping
OFF
Low or no flow ON
rate
OFF
OFF
OFF
ON
ON
Low Flow Heater Setting
Light
Low/Medium/
High
OFF Medium/High
OFF Medium/High
OFF Medium/High
OFF
OFF
ON Any
OFF
OFF
OFF
ON Any
OFF Any
26
Probable Cause
Thermostatic
mechanism is faulty
or damaged.
Scaled Heater Tank
Assy.
Damaged Hose.
Insufficient water
supply pressure for
shut off.
Inlet valve
assembly faulty.
Water supply
pipework or inlet
filter restricted by a
blockage or partial
blockage.
Insufficient water
supply pressure/
flow for operation.
Faulty Relay PCB.
Faulty Control
PCB.
Other outlets (e.g.
toilet, garden hose,
washing machine
etc.) drawing water
whilst the shower is
being used.
Hose Damaged.
Probable Remedy
Replace.
Replace.
Replace.
The minimum static
pressure to ensure
shut off and prevent
dripping is 0.2 bar.
Note! If other
appliances are
operating, static
pressure may drop
below 0.2 bar.
Contact local water
company.
Replace.
Flush supply pipe.
Clean inlet filter.
Contact local water
company. Supply
pressure must be a
minimum of 100 kPa
(1.0 bar). Note! If
other appliances are
operating, pressure
may drop below
100 kPa (1.0 bar).
Replace Relay PCB.
Replace Control
PCB.
Turn off the other
appliances whilst
the shower is in use.
Replace.