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9
Troubleshooting
Troubleshooting
MALFUNCTION
If there are strange odors...
If there’s running water...
If the airflow is
insufficient, and the
air is not hot or cold
enough...
If the display is off...
If a fine mist is coming
from the air outlet...
If the appliance does not
respond to commands...
If the appliance
does not operate
or respond...
Switch off the air
conditioner immediately
and cut off the power
supply in the event of...
ERROR SIGNALS ON THE DISPLAY
POSSIBLE CAUSES
There is a power failure/plug pulled out
The indoor/outdoor unit fan motor was damaged
There is a faulty compressor or thermomagnetic circuit breaker
There is a faulty protective device or fuses
The electrical connections are loose
The system has entered a protection mode
The TIMER-ON function is active
The system has entered an overvoltage or undervoltage protection
The air filter is dirty
The electronic control board was damaged
There was a backflow of liquid into the refrigerant circulation.
This occurs when the air in the room becomes very cold, for example in
“COOLING” or “DEHUMIDIFICATION/DRY” modes
The temperature setting is unsuitable
The air conditioner intakes and outlets may be obstructed
This noise is made by the expansion or contraction of the front panel due
to variations in temperature, and if so, is normal
The fan speed may be set at the minimum
The air filter may be dirty
The system may be getting low on refrigerant, pressures should be checked
There may be too many other heat sources in the room
The remote control may not be close enough to the indoor unit
The batteries of remote control may need to be replaced
There are obstacles between remote control and indoor unit signal receiver
The DISPLAY button has been pressed
Strange noises not due to expansion/contraction are heard during operation
There has been a power failure
The electronic control board is faulty or malfunctioning
Any fuses or switches are faulty or malfunctioning
The sound of spraying water or objects are heard inside the appliance
The cables or plugs have overheated
There are very strong odors being emitted from the appliance
If strange noises are
being emitted...
Indoor temperature sensor fault
Description of the errorDisplay
Outdoor pipe temperature sensor fault
Indoor pipe temperature sensor fault
Malfunction of indoor fan motor
Refrigerant system leakage or fault
Outdoor air temperature sensor fault
Outdoor discharge temperature sensor fault
Outdoor IPM module fault
Display
Description of the trouble
Outdoor PCB EEPROM fault
Outdoor current detection fault
In case of error, the display on the indoor unit may show the following error codes:
Outdoor suction temperature sensor fault
Refrigerant Leak / Low Pressure Detected
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