List of Malfunction Code Mini UM S/M100 Troubleshooting2. List of Malfunction Code9: Blink 8: ON 7: OFFMalfunctioncodeOperationlampInspectiondisplayUnit No. Malfunction contents PageReferredIndoorUnit A0 9 9 9 Error of external protection device 104A1 9 9 9 PC board defect, E2 PROM defect 105A3 9 9 9 Malfunction of drain level control system (33H) 106A6 9 9 9 Fan motor (MF) lock, overload 108A7 8 7 9 Malfunction of swing flap motor (MA) 109A9 9 9 9 Malfunction of moving part of electronic expansionvalve (20E) 111AF 8 7 9 Drain level about limit 113AJ 9 9 9 Malfunction of capacity setting 114C4 9 9 9 Malfunction of thermistor (R2T) for heat exchange(loose connection, disconnection, short circuit,failure)115C5 9 9 9 Malfunction of thermistor (R3T) for gas pipes (looseconnection, disconnection, short circuit, failure)116C9 9 9 9 Malfunction of thermistor (R1T) for air inlet (looseconnection, disconnection, short circuit, failure)117CA 9 9 9 Malfunction of thermistor for air outlet (looseconnection, disconnection, short circuit, failure) 118CJ 8 8 8 Malfunction of thermostat sensor in remote controller 119OutdoorUnitE1 9 9 9 PC board defect, E2 PROM defect 120E3 9 9 9 Actuation of high pressure switch 121E4 9 9 9 Actuation of low pressure switch 122E5 9 9 9 Compressor motor lock 123E6 9 9 9 Standard compressor lock or over current —E7 9 9 9 Malfunction of outdoor unit fan motor 124E9 9 9 9 Malfunction of moving part of electronic expansionvalve (Y1E~3E)126F3 9 9 9 Abnormal discharge pipe temperature 128F6 9 9 9 Refrigerant overcharged —H3 8 7 9 Malfunction of High pressure switch —H4 9 9 9 Actuation of Low pressure switch —H7 9 9 9 Abnormal outdoor fan motor signal —H9 9 9 9 Malfunction of thermistor (R1T) for outdoor air (looseconnection, disconnection, short circuit, failure) 129J2 9 9 9 Current sensor malfunction —J3 9 9 9 Malfunction of discharge pipe thermistor (R3T) (looseconnection, disconnection, short circuit, failure) 130J5 9 9 9 Malfunction of thermistor (R2T) for suction pipe(loose connection, disconnection, short circuit,failure)131J6 9 9 9 Malfunction of thermistor (R4T) for heat exchanger(loose connection, disconnection, short circuit,failure)132J7 9 9 9 Malfunction of header thermistor —J8 9 9 9 Malfunction of thermistor (R7T) for oil equalizing pipe.(loose connection, disconnection, short circuit,failure)—J9 9 9 9 Malfunction of receiver gas pipe thermistor (R5T) 133JA 9 9 9 Malfunction of discharge pipe pressure sensor 134JC 9 9 9 Malfunction of suction pipe pressure sensor 135L0 9 9 9 Inverter system error —L4 9 9 9 Malfunction of inverter radiating fin temperature rise 136L5 9 9 9 Inverter compressor motor grounding, short circuit 137L6 9 9 9 Compressor motor coil grounding on short circuit —L8 9 9 9 Inverter current abnormal 138L9 9 9 9 Inverter start up error 139
