ESIE09-08Troubleshooting 115Part 7 - Troubleshooting1. Symptom-based Troubleshooting .......................................................1192. Troubleshooting by Remote Control ...................................................1212.1 The INSPECTION / TEST Button.........................................................1212.2 Self-diagnosis by Wired Remote Control .............................................1222.3 Operation of the Remote Controller’s Inspection /Test Operation Button ..........................................................................1232.4 Remote Control Service Mode .............................................................1242.5 Remote Controller Self-Diagnosis Function .........................................1263. Troubleshooting by Indication on the Remote Controller ....................1323.1 “A1” Indoor Unit: PC Board Defect .......................................................1323.2 “A6” Indoor Unit: Pump Error (M1P) or Other Water System Error ......1333.3 “A9” Indoor Unit: Malfunction of Moving Part of Electronic ExpansionValve (K1E) R-410A circuit...................................................................1343.4 “AJ” Indoor Unit: Malfunction of Capacity Determination Device .........1363.5 “C1” Indoor Unit: Failure of Transmission (Between Indoor unit PC Boardand Control PC Board) .........................................................................1373.6 “C4” Indoor Unit: Malfunction of Thermistor (R3T) Liquid Thermistor R-410A .....................................................................................................1393.7 “C5” Indoor Unit: Malfunction of Tank Thermistor (R2T) ......................1403.8 “C9” Indoor Unit: Return Water Thermistor (R4T) ................................1413.9 “CA” Indoor Unit: Leaving Water Thermistor Error (R5T).....................1423.10 “CJ” Indoor Unit: Malfunction of Thermostat Sensor in RemoteController..............................................................................................1433.11 “E1” Outdoor Unit: PC Board Defect ....................................................1443.12 “E1” Indoor Unit: PC Board Defect .......................................................1453.13 “E3” Outdoor Unit: Actuation of High Pressure Switch.........................1463.14 “E3” Indoor Unit: Actuation of High Pressure Switch............................1483.15 “E4” Outdoor Unit: Actuation of Low Pressure Sensor.........................1513.16 “E4” Indoor Unit: Actuation of Low Pressure Sensor............................1533.17 “E5” Outdoor Unit: Inverter Compressor Motor Lock............................1553.18 “E5” Indoor Unit: Inverter Compressor Motor Lock ..............................1563.19 “E7” Malfunction of Outdoor Unit Fan Motor ........................................1573.20 “E9” Outdoor Unit: Malfunction of Moving Part of Electronic ExpansionValve ....................................................................................................1593.21 “E9” Indoor Unit: Malfunction of Moving Part of Electronic ExpansionValve (K2E) R-134a circuit ...................................................................1613.22 “F3” Outdoor Unit: Abnormal Discharge Pipe Temperature .................1633.23 “F3” Indoor Unit: Abnormal Discharge Pipe Temperature....................1643.24 “H9” Outdoor Unit: Malfunction of Thermistor (R1T) for Outdoor Air....1653.25 “J3” Outdoor Unit: Malfunction of Discharge Pipe Thermistor (R2T)....1663.26 “J3” Indoor Unit: Malfunction of Discharge Pipe Thermistor (R6T) ......1673.27 “J5” Outdoor Unit: Malfunction of Thermistor (R3T, R5T) for Suction Pipe1, 2 .......................................................................................................1683.28 “J5” Indoor Unit: Malfunction of Thermistor (R7T) for Liquid R-134a ...1693.29 “J6” Outdoor Unit: Malfunction of Thermistor (R6T) for Outdoor Unit HeatExchanger ............................................................................................1703.30 “J7” Outdoor Unit: Malfunction of Thermistor (R7T) for Outdoor Unit Liquid
