SINGLE SPLIT
19
ENGLISH
TROUBLESHOOTING
INSTALLER
Malfunction
Possible causes
• The appliance does not operate
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 than 244V or lower than 206V
Active TIMER-ON function
Damaged electronic control board
• Strange odour
Dirty air filter
• Noise of running water
Back flow of liquid in the refrigerant circuit
• A fine mist comes from the air outlet
This occurs when the air in the room becomes very cold, for example in the
“COOLING” or “DEHUMIDIFYING/DRY” modes.
• A strange noise can be heard
This noise is made by the expansion or contraction of the front panel due
to variations in temperature and does not indicate a problem.
• Insufficient airflow, either hot or cold
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.
• The appliance does not respond to
commands
Remote control not near enough to indoor unit.
The remote control batteries are dead.
Obstacles between remote control and signal receiver on indoor unit.
• The control panel display is off
Active LIGHT function
Power failure
Faulty control panel
Faulty electronic control board
• Switch off the air conditioner immedi
-
ately and cut off the power supply in
the event of:
Strange noises during operation.
Faulty fuses or switches.
Spraying water or objects inside the appliance.
Overheated cables or plugs.
Very strong smells coming from the appliance.
