Indoor PCB/Display board communication error
Water-level alarm malfunction
Refrigerant leakage detection
Current overload protection
Outdoor ambient temperature sensor (T4 ) malfunction
Condenser coil temperature sensor (T3) malfunction
Compressor discharge temperature sensor (T5) malfunction
Outdoor unit EEPROM parameter error
Outdoor fan speed malfunction
Indoor coil outlet pipe sensor(Located on outdoor unit low pressure
valve)
Communication malfunction between Cassette optional lift panel
and the unit.
Cassette optional lift panel malfunction
Cassette optional lift panel not closed
Communication error between indoor two chips(For A6 Duct)
Inverter module (IPM) malfunction
Over-voltage or under-voltage protection
High temperature protection of compressor top(OLP)/ High
temperature protection of IPM board
Low ambient temperature protection
Compressor drive malfunction
Indoor units mode conflict
★ flash , light, X extinguished
All Easy Pro type, Infini type
Indoor unit EEPROM parameter error
Communication malfunction between indoor and outdoor units
Indoor fan speed malfunction
Indoor room temperature sensor (T1 ) malfunction
Evaporator coil temperature sensor (T2) malfunction
Current overload protection
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