Installing the fi lter• Keeping the front panel raised with one hand, insert theair fi lter with the other hand (see fi g.)• Insert the air fi lter• CloseThe active carbons electrostatic fi lter (if installed)cannot be washed or regenerated. It must be replacedwith new fi lter once every 6 months.OUTDOOR UNITUse suitable instruments for the refrigerant in the ap-pliance.Only use the refrigerant indicated on the rating plate.Do not use mineral oils to clean the unit.SINGLE SPLITENGLISH18Note: the above figures may not correspond to the appea-rance of the units that have been purchased.Error code for modelsCode ErrorE1 High pressure protectionE2 Defrost protectionE3 Low pressure protectionE4 Compressor gas discharge protectionE5 Current overload protectionE6 Communication malfunctionE7 MODE confl ictE8 High temperature protectionE9 Protection against cold airF1 Indoor unit room sensor disconnectedF2 Indoor unit pipe sensor disconnectedF3 Outdoor unit ambient sensor disconnectedF4 Outdoor unit pipe sensor disconnectedF5 Outdoor unit delivery line sensor short-circuited/disconnectedH6 No feedback from indoor motorC2 Current leakage protectionC3 Wrong connection protectionC6 No earthingC5 Jumper error protectionF7 Oil circle under cooling modeF8 Current overload cause frequency decreasedF9 Exhaust overload cause frequency decreasedF0 Sistem fl uorin lack or jam protectionH1 DefrostingH2 Static dust eliminated protectionH3 Compressor overload protectionH4 System abnormityH5 IPM Module protectionCode ErrorHC PFC protectionH7 Synchronization failureH8 Full of water protectionH9 Heater errorH0 High temperature(heat mode) cause frequency decreasedFA Tube temperature overload cause frequency decreasedFH Freezing cause frequency decreasedPOSSIBLE ERRORS INSTALLERError code for ON-OFF 7-9-12K modelsCode ErrorH1 DefrostingH6 No feedback from indoor motorC5 Jumper error protectionError code for ON-OFF 18-24K modelsCode ErrorE5 Current overload protectionC5 Jumper error protectionF1 Indoor unit room sensor disconnectedF2 Indoor unit pipe sensor disconnectedH6 No feedback from indoor motorH1 Defrosting