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TROUBLESHOOTING
TROUBLESHOOTING
Malfunction
Possible Causes
The Appliance Does Not
Operate
Power failure/power is disconnected.
Damaged indoor/outdoor unit fan motor.
Faulty compressor thermomagnetic circuit breaker.
Faulty protective device or fuses.
Loose connections or electric breaker in "off" position.
Protective device(s) activated to protect the appliance.
Voltage higher or lower than the voltage range.
Active TIMER-ON function.
Damaged electronic control board.
Strange Odor
Dirty air filter.
Noise of Running Water Back flow of liquid in the refrigerant circulation.
A Fine Mist Comes from
the Air Outlet
This occurs when the air in the room becomes very cold, for example in
the COOL 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 is out of range to the signal receiver in indoor unit.
The batteries of remote control need to be replaced.
Obstacles between remote control and signal receiver in indoor unit.
The Display is Off
The display has been turned off using the DISPLAY function.
Power failure.
Switch Off the Air
Conditioner Immediately
and Cut Off the Power
Supply in the Event of:
Strange noises other than from expansion/contraction of panel.
Faulty electronic control board.
Faulty fuses or switches.
Water/condensate leaking from inside the unit.
Overheated cables or plugs.
Very strong smells coming from the appliance.