Use and Care Manual
TROUBLESHOOTING
25
MALFUNCTION
 Strange odour
 The appliance does not 
 operate 
 Noise of running water
 A fine mist comes from
 the air outlet 
Insufficient airflow, either
hot or cold 
The appliance does not 
respond to commands 
The display is off
 Switch off the air condi-
 tioner immediately and 
 cut off the power supply 
 in the event of: 
ERROR SIGNALS ON THE DISPLAY
In case of error, the display on the indoor unit shown the following error codes:
POSSIBLE CAUSES 
Power failure/plug pulled out 
Damaged indoor/outdoor unit fan motor 
Faulty compressor thermomagnetic circuit breaker 
Faulty protective device or fuses. 
Loose connections or plug pulled out
It sometimes stops operating to protect the appliance.
Voltage higher or lower than the voltage range 
Active TIMER-ON function
Damaged electronic control board 
Dirty air filter
Back flow of liquid in the refrigerant circulation 
This occurs when the air in the room becomes very cold, for example in the 
COOLING  or  DEHUMIDIFYING/DRY  modes.
This noise is made by the expansion or contraction of the front panel due 
to variations in temperature and does not indicate a problem.
Unsuitable temperature setting.
Obstructed air conditioner intakes and outlets.
Dirty air filter. 
Fan speed set at minimum.
Other sources of heat in the room. 
No refrigerant.
Remote control is not near enough to indoor unit.
The batteries of remote control nearly has no power.
Obstacles between remote control and signal receiver in indoor unit. 
Active LIGHT function 
Power failure 
Strange noises during operation.
Faulty electronic control board
Faulty fuses or switches.
Spraying water or objects inside the appliance.
Overheated cables or plugs.
Very strong smells coming from the appliance. 
The fault of indoor temperature senser
The fault of indoor pipe temperature senser
Malfunction of indoor fan motor.
 A strange noise can be
 heard 
flashes once
RUN lamp
flashes twice
flashes 6 times
Description of the trouble










