Ouellet SED09KCH17S, Owner'S Manual

Page: 22 / 40

22
Phenomenon Items to check Solution
Mist is emitted from
indoor unit air outlet. Are indoor temperature and
humidity level high?
This is because indoor air is
cooled rapidly. After a while,
indoor temperature and humidity
level will decrease and mist will
disappear.
Set temperature
cannot be adjusted.
Is the unit operating under AUTO
mode?
Temperature cannot be adjusted
under AUTO mode.
Please switch the operationmode
if you need to adjust temperature.
Does your required temperature
exceed the set temperature range? Set temperature range:
16 °C to 30 °C (61 °F to 86 °F).
Air cooling (heating)
is not efficient.
Is voltage too low?
Wait until the voltage comes back
to normal.
Is filter dirty? Clean the filter.
Is the set temperature in proper
range? Adjust temperature within proper
range.
Are doors and windows open? Close doors and windows.
Odours are emitted.
Is there an odour source in the room,
such as furniture or cigarette.
Eliminate the odour source.
Is the heat exchanger dirty? Have it cleaned by a specialist.
Is the filter dirty? Clean the filter.
Appliance suddenly
operates abnormally. There may be interferences, such as
thunder, wireless devices, etc.
Cut the power supply off and put
the power back. Then turn on the
unit again.
Outdoor unit emits
vapor.
Is the unit in heating mode?
During defrosting under heating
mode, it may produce vapor,
which is normal.
Water flowing noise.
Has the air conditioner just
been turned on and off?
The noise is the sound of refrigerant
flowing inside the unit, which
is normal.
Cracking noise.
Has the air conditioner just
been turned on and off?
This is the sound of friction caused
by expansion and/or contraction
of panel or other parts due to
temperature changes.