16.1 Indoor Unit Error Display
Communication malfunction between indoor and
outdoor units.
Indoor fan speed has been out of control
Indoor room temperature sensor T1 open circuit or short
circuit
Evaporator coil temperature sensor T2 open circuit or
short circuit
Refrigerant leakage detection
Water-level alarm malfunction
Current overload protection
Open circuit or short circuit of outdoor ambient
temperature sensor T4
Open circuit or short circuit of condenser coil
temperature sensor T3
Open circuit or short circuit of Compressor discharge
temperature sensor T5
Outdoor unit EEPROM error
Outdoor fan speed has been out of control
Lifting-panel communication error
Lifting-panel malfunction
Lifting-panel is not closed
Over voltage or over low voltage protection
High temperature protection of compressor top
Outdoor low temperature protection
Inverter compressor drive error
Compressor low-pressure protection
Outdoor IGBT temperature sensor error
O(light) X(off) ☆(flash)