Malfunction Codes and Description ESIE11-05104 Troubleshooting2. Malfunction Codes and Descriptionk: ON h: OFF l: BlinkMalfunctioncode Operationlamp Malfunction contents PageReferredHydrobox A1 l Hydrobox PC board defect 110A6 l Hydrobox water system error 111A9 l Hydrobox malfunction of moving part of electronic expansion valve (K11E orK12E) R-410A circuit 112AE k Water circuit error 114AJ l Capacity error 115C1 l Hydrobox failure of transmission (between hydrobox unit pc board andcontrol pc board) 116C4 l Hydrobox malfunction of thermistor (R13T, R23T) liquid thermistor R-410A 117C9 l Hydrobox return water thermistor (R12T, R22T) 118CA k Hydrobox leaving water thermistor (R21T or R22T) 119CJ k Hydrobox malfunction of thermostat sensor in remote controller 120Outdoor Unit E1 l Outdoor unit PCB defect 121E3 l Actuation of high pressure switch 122E4 l Actuation of low pressure sensor 124E5 l Outdoor unit inverter compressor motor lock 126E6 l Outdoor unit STD compressor motor overcurrent/lock 128E7 l Outdoor unit malfunction of outdoor unit fan motor 129E9 l Outdoor unit malfunction of electronic expansion valve coil (Y1E, Y2E) 132F3 l Outdoor unit abnormal discharge pipe temperature 134F6 l Unit refrigerant overcharged 135H7 l Detection of abnormal signal from fan motor 136H9 l Outdoor unit malfunction of thermistor (R1T) for outdoor air 137J2 l Outdoor unit current malfunction 138J3 l Outdoor unit malfunction of discharge pipe thermistor (R3T, R31T~R33T) 139J5 l Outdoor unit malfunction of thermistor (R2T, R7T) for suction pipe 140J6 l Outdoor unit malfunction of thermistor (R4T) for outdoor unit heat exchanger 141J7 l Suction thermistor error (R14T or R24T) 142J9 l Outdoor unit malfunction of subcooling heat exchanger gas pipe thermistor 143JA l Outdoor unit malfunction of high pressure sensors 144JC l Outdoor malfunction of low pressure sensor 145L4 l Outdoor unit malfunction of inverter radiating fin temperature rise 146L5 l Outdoor unit inverter compressor abnormal 148L8 l Outdoor unit inverter current abnormal 150L9 l Outdoor unit inverter start up error 152LC l Outdoor unit malfunction of transmission between inverter and control PCB 154P1 l Outdoor unit inverter over ripple protection 157P4 l Outdoor unit malfunction of inverter radiating fin temperature rise sensor 158PJ l Outdoor unit faulty field setting after replacing main PCB or faultycombination of PCB 160