Mira Orbis User's Guide download pdf (Page 27)

Symptom LCD

Back

Light

Low Flow

Warning

Heater Setting

Low/Medium/

High

Probable Cause Probable Remedy

No change in

temperature

between Low/

Medium/High

setting.

OFF

Any

Insufcient mains

water pressure.

Possible failure of

thermostatic valve or

heater tank.

Control PCB failure.

Thermal Trip failed.

Contact local water

company.

Check the continuity

of the heater tank

and replace parts as

necessary.

Replace Control PCB

assembly.

Replace thermal trip

or check the continuity

of the heater tank

/ replace parts as

necessary.

Water will not

turn off.

OFF

Any

Inlet valve, solenoid,

stop switch, relay PCB

or Control PCB faulty.

Supply pressure

below 20 kPa

(0.2 bar).

Replace as necessary.

Contact local water

company. Check mains

water static pressure.

Appliance fails

to produce hot

water when set

on ‘Medium /

High’ heater

setting.

OFF

Medium/High

Inlet valve assembly

faulty.

Faulty relay PCB.

Possible failure of

the thermal switch.

Heater tank failure.

Replace inlet valve

assembly.

Replace relay PCB.

Check the continuity

of the heater

tank / replace parts as

necessary.

Replace.

Unable to select

a cool enough

shower.

ON OFF High Due to the rise in

mains water supply

temperature, the

heater setting may be

too high.

Press the ‘Medium’

heater setting and

adjust the temperature

control until a suitable

temperature is

reached.

Clock does not

keep time

ON OFF Any Battery needs

replacing.

Faulty Control board.

Replace battery.

Replace.

E1 displayed on

screen

ON OFF Any Check thermistor is

plugged in.

Ret or replace.

Note! The Mira Orbis Thermostatic Shower offers a water saving feature where the shower will

automatically switch OFF after 40 minutes of continuous use.

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Mira Orbis User's Guide Page 27

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