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ENGLISH
TROUBLESHOOTING
INSTALLER
Malfunction Possible causes
r5IFBQQMJBODFEPFTOPUPQFSBUF
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.
7PMUBHFIJHIFSUIBO7PSMPXFSUIBO7
Active TIMER-ON function
Damaged electronic control board
r4USBOHFPEPVS Dirty air lter
r/PJTFPGSVOOJOHXBUFS Back ow of liquid in the refrigerant circuit
r"àOFNJTUDPNFTGSPNUIFBJSPVUMFU
This occurs when the air in the room becomes very cold, for example in the
“COOLING” or “DEHUMIDIFYING/DRY” modes.
r"TUSBOHFOPJTFDBOCFIFBSE
This noise is made by the expansion or contraction of the front panel due
to variations in temperature and does not indicate a problem.
r*OTVGàDJFOUBJSáPXFJUIFSIPUPSDPME
Unsuitable temperature setting.
Obstructed air conditioner intakes and outlets.
Dirty air lter.
Fan speed set at minimum.
Other sources of heat in the room.
No refrigerant.
r5IFBQQMJBODFEPFTOPUSFTQPOEUP
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.
r5IFDPOUSPMQBOFMEJTQMBZJTPGG
Active LIGHT function
Power failure
Faulty control panel
Faulty electronic control board
r4XJUDIPGGUIFBJSDPOEJUJPOFSJNNFEJ-
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.
7FSZTUSPOHTNFMMTDPNJOHGSPNUIFBQQMJBODF
43


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