V 11/17
46
of the indoor unit
blocked?
In heat mode, has the indoor temperature
reached the set temperature?
Once the set temperature has been
reached, the indoor unit will stop blowing
out air.
Has heat mode only recently been
selected?
To prevent blasts of cold air from being
blown out, there will be a delay of
several minutes before operation begins
(this is normal).
The air
conditioner is not
working
Is there a power cut?
Wait for the power to be restored.
Has the plug come loose?
Reinsert the plug.
Has the circuit breaker tripped or has the
fuse blown?
Have the circuit breaker or fuse replaced
by a qualified technician.
Is the wiring faulty?
Have it replaced by a qualified
technician.
Was the unit restarted immediately after
shutdown?
Wait 3 minutes and then restart the unit.
Is the setting on the remote control
correct?
Reset the function.
The indoor unit's
air outlet
produces a mist
Is the indoor temperature and humidity
high?
Indoor air cools rapidly. Wait for the
indoor temperature and humidity to fall
and the mist to disappear.
The set
temperature
cannot be
adjusted
Is the unit operating in automatic mode?
The temperature cannot be adjusted in
automatic mode. Change the operating
mode if you want to adjust the
temperature.
Does the desired temperature fall outside
the available temperature range?
The available temperature range is: 16 –
30°C.
The desired level
of heating/cooling
cannot be
achieved
Is the voltage too low?
Wait for the voltage to return to normal.
Is the filter dirty?
Clean the filter.
Does the set temperature fall within the
available temperature range?
Adjust the temperature to within the
available range.
Are there any doors or windows open?
Close any doors and windows.
The unit is
emitting
unpleasant smells
Is there an odour source (e.g. furniture,
cigarettes, etc.)?
Eliminate the odour source.
Clean the filter.
The air
conditioner turns
on suddenly
Are there any sources of interference (e.g.
lightning, wireless devices, etc.)?
Disconnect the power supply and then
reconnect it. Turn the unit on again.
The outdoor unit
produces steam
Has heat mode been selected?
Steam production when defrosting in
heat mode is a normal phenomenon.
Sound of running
water
Has the air conditioner recently been
turned on or off?
The noise is produced by the refrigerant
flowing inside the unit (normal
phenomenon).
Creaking/cracking
noises
Has the air conditioner recently been
turned on or off?
It is the sound of the friction caused by
the expansion and/or contraction of the
panel or other parts due to temperature
changes.
Analysing faults and solutions
Error codes
In the event of a fault, the temperature indicator on the indoor unit will flash to display the
corresponding error code. Refer to the following list to identify the error code.
Summary of Contents for Ecolight 12000 UI
Page 28: ...V 11 17 59 ...
