Contents
4-4-34 Setup Error for MCU Branch part – Setup Error for MCU Quantity Used................................................ 82
4-4-35 MCU branch part setup error – Overlapping Indoor unit Address setup...............................................83
4-4-36 MCU branch part setup error – Set as being used without connection to an Indoor unit ...........84
4-4-37 MCU branch part setup error – Connect an Indoor unit to a branch part not being used............ 85
4-4-38
MCU branch part setup error – Connect more Indoor units than what is actually set up in MCU...........86
4-4-39 Outdoor Temperature Sensor Error......................................................................................................................... 87
4-4-40 Outdoor Temperature dislocation error................................................................................................................88
4-4-41 Cond Out Temperature Sensor Error (Open/Short)..........................................................................................89
4-4-42 Outdoor Cond Out sensor breakaway error........................................................................................................90
4-4-43 Digital Compressor Discharge Temperature Sensor Error (OPEN/SHORT) ............................................ 91
4-4-44 Constant Rate Compressor Discharge Temperature Sensor Error (OPEN/SHORT) ............................ 92
4-4-45 Compressor Discharge or Top 1/2 Temperature sensor error .................................................................... 93
4-4-46 : Dislocation error of Compressor SUMP Temperature (oil temperature) Sensor......... 94
4-4-47 : Suction Temperature sensor breakaway error......................................................................95
4-4-48 SUMP Temperature Sensor Error (OPEN/SHORT).............................................................................................. 96
4-4-49 High Pressure sensor error (Open/Short).............................................................................................................. 97
4-4-50 Low Pressure sensor error (Open/Short) ...............................................................................................................98
4-4-51 Suction Temperature sensor error (Open/Short)...............................................................................................99
4-4-52 Liquid Pipe Temperature sensor error (Open/Short).....................................................................................100
4-4-53 EVI In Temperature sensor error (Open/Short).................................................................................................101
4-4-54 EVI Out Temperature sensor error (Open/Short).............................................................................................102
4-4-55 Suction-2 Temperature Sensor Error (OPEN/SHORT).....................................................................................103
4-4-56 : Comp. Down due to High Pressure Protection Control ..................................................104
4-4-57 : Comp. Down due to Low Pressure Protection Control....................................................105
4-4-58 Sump Sensor Error Due to Protection Control..................................................................................................106
4-4-59 : Comp. Down due to Compressor Discharge Temperature sensor.............................107
4-4-60 3-phase Input Wiring error........................................................................................................................................108
4-4-61 : Comp. Down by Compression Ratio Control ......................................................................109
4-4-62 EVI EEV Open error........................................................................................................................................................ 110
4-4-63 Refrigerant Leakage Error...........................................................................................................................................111
4-4-64 , :
Prohibition of the operation of Compressor due to Ooutdoor Temperature.........112
4-4-65 High Pressure Standard Not Met before Air Conditioning (Inability to Re-operate) ..................... 113
4-4-66 CCH Malfunction and Sump Sensor Miswiring Error..................................................................................... 114
4-4-67 Fan starting error ........................................................................................................................................................... 115
4-4-68 Fan lock error................................................................................................................................................................... 116
4-4-69 Momentary Blackout error ....................................................................................................................................... 117
4-4-70 Outdoor Fan Motor overheating............................................................................................................................. 118
4-4-71 Outdoor Unit Fan Motor RPM Error........................................................................................................................ 119
4-4-72 Fan IPM Overheat error................................................................................................................................................120
4-4-73 Over-Voltage Error of an Outdoor Fan Motor....................................................................................................121
4-4-74 Counter-Rotation Error of an Outdoor Fan Motor...........................................................................................121
4-4-75 : Compressor Excess Current Error ................................................................................................122
4-4-76 Compressor starting error..........................................................................................................................................123
4-4-77 Inverter Overcurrent error..........................................................................................................................................124
4-4-78 Overvoltage / Low voltage error.............................................................................................................................125
4-4-79 DC Link voltage sensor error.....................................................................................................................................126
4-4-80 Liquid Compression Prevention Control.............................................................................................................127
4-4-81 Fan Motor Overcurrent error.....................................................................................................................................128
4-4-82 Input / Output Current sensor error......................................................................................................................129
4-4-83 Outdoor Fan PCB Overvoltage / Low voltage error .......................................................................................130
4-4-84 Hall IC(Fan) error............................................................................................................................................................. 131
4-4-85 Inverter Overheat error...............................................................................................................................................132
4-4-86 Model mismatching of Indoor unit........................................................................................................................133
4-4-87 Breakdown of an EEV(1st)...........................................................................................................................................134
4-4-87 Breakdown of an EEV closure ...................................................................................................................................135
4-4-88
Electronic expansion valve closing malfunction (2nd stage)................................................................................. 136
4-4-89
Electronic expansion valve opening malfunction (2nd stage) ...............................................................................137
4-4-90
Hydro Unit Water In Temperature Sensor Error (Open/Short)................................................................................ 138
4-4-91
Hydro Unit Water Out Temperature Sensor Error (Open/Short)............................................................................ 139
4-4-92
Hydro Unit Water Tank Temperature Sensor Error (Open/Short).......................................................................... 140
4-4-93
Emergency Error (Check the Water Piping Equipment) .............................................................................................141
4-4-94
Error to prevention from freezing and bursting of Heat Exchanger ...................................................................142
4-4-95
Breakaway of Water Out temperature sensor................................................................................................................ 143