Troubleshooting by Remote Controller SiUS28-902_B86 Service Diagnosis2.6 Error Codes and DescriptionError code Contents of Error PageReferredIndoor Unit A0 External Protection Device Abnormality 89A1 PCB Abnormality 90A3 Drain Water Level System Abnormality 91A6 Indoor Unit Fan Motor Abnormality 93A7 Swing Flap Motor Abnormality / Lock 94A9 Electronic Expansion Valve Coil Abnormality 96AF Drain System Abnormality 98AJ Capacity Setting Device Abnormality 99C4 Heat Exchanger (Liquid pipe) Thermistor Abnormality 100C5 Heat Exchanger (Gas Pipe) Thermistor Abnormality 101C9 Suction Air Thermistor AbnormalityRemote Sensor Abnormality 102, 103CJ Room Temperature Thermistor in Remote Controller Abnormality 104Outdoor Unit E1 Outdoor Unit PCB Abnormality 105E3 High Pressure Abnormality 106E4 Actuation of Low Pressure Sensor 108E5 Inverter Compressor Motor Lock 110E7 Outdoor Unit Fan Motor Abnormality 112E9 Electronic Expansion Valve Coil Abnormality 113F3 Discharge Pipe Temperature Control 115F6 Refrigerant Overcharged 116H3 High Pressure Switch Abnormality 117H7 Outdoor Unit Fan Motor Signal Abnormality 118H9 Outdoor Air Thermistor Abnormality 119J3 Discharge Pipe Thermistor Abnormality 120J5 Suction Pipe Thermistor Abnormality 121J6 Outdoor Unit Heat Exchanger Thermistor Abnormality 122JA High Pressure Sensor Abnormality 123JC Low Pressure Sensor Abnormality 125L1 Outdoor Unit PCB Abnormality 127L4 Radiation Fin Temperature Rise 128L5 Momentary Overcurrent of Inverter Compressor 129L8 Electronic Thermal (Time Lag) 130L9 Inverter Startup Error 132LC Transmission Error (between Control and Inverter PCB) 133P4 Radiation Fin Thermistor Abnormality 134System U0 Refrigerant Shortage 135U2 Power Supply Voltage Abnormality 136U3 Check Operation not Executed 138U4 Transmission Error (between Indoor Units and Outdoor Units) 139U5 Transmission Error (between Remote Controller and Indoor Unit) 142U8 Transmission Error (between Main and Sub Remote Controllers) 143UE Transmission Error (between Centralized Remote Controller and Indoor Unit) 144UF System is not Set yet 146The system operates for error codes indicated in black squares, however, be sure to check and repair.
