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(1
st
) ...........................................................................................................................................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
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