Outdoor Unit
Outdoor Unit
Outdoor Unit
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<strong>Outdoor</strong> unit related errorDisplay Title Cause of Error7 4 17 5 17 6 17 7 17 9 18 6 18 7 11 0 51 0 61 0 71 1 31 1 41 1 51 5 11 9 31 9 4<strong>Outdoor</strong> <strong>Unit</strong> 3 Phase Powerunbalance<strong>Outdoor</strong> <strong>Unit</strong> Fan CT Sensor Error<strong>Outdoor</strong> <strong>Unit</strong> Fan DC Link HighVoltage Error<strong>Outdoor</strong> <strong>Unit</strong> Fan Over CurrentError<strong>Outdoor</strong> <strong>Unit</strong> Fan Start FailureError<strong>Outdoor</strong> <strong>Unit</strong> Main PCB EEPROMError<strong>Outdoor</strong> <strong>Unit</strong> Fan PCB EEPROMError<strong>Outdoor</strong> <strong>Unit</strong> Fan PCBCommunication Error<strong>Outdoor</strong> <strong>Unit</strong> FAN IPM Fault Error<strong>Outdoor</strong> <strong>Unit</strong> Fan DC Link LowVoltage Error<strong>Outdoor</strong> <strong>Unit</strong> Liquid pipeTemperature Sensor Error<strong>Outdoor</strong> <strong>Unit</strong> Subcooling InletTemperature Sensor Error<strong>Outdoor</strong> <strong>Unit</strong> Subcooling OutletTemperature Sensor ErrorFailure of operation mode conversionat <strong>Outdoor</strong> <strong>Unit</strong>Excessive increase of <strong>Outdoor</strong><strong>Unit</strong> Fan PCB Heat SinkTemperature<strong>Outdoor</strong> <strong>Unit</strong> Fan PCB Heat SinkTemperature Sensor Error<strong>Outdoor</strong> <strong>Unit</strong> R-T Phase Difference is over 5A<strong>Outdoor</strong> <strong>Unit</strong> Fan CT Sensor open or short<strong>Outdoor</strong> <strong>Unit</strong> Fan DC Link High Voltage Error<strong>Outdoor</strong> <strong>Unit</strong> Fan Current is over 5A<strong>Outdoor</strong> <strong>Unit</strong> Fan First Position Sensing FailureCommunication Fail Between <strong>Outdoor</strong> <strong>Unit</strong> MainMICOM and EEPROM or omitting EEPROMCommunication Fail Between <strong>Outdoor</strong> <strong>Unit</strong> FanMICOM and EEPROM or omitting EEPROMFailing to receive fan signal at main PCB of unit.Instant Over Current at <strong>Outdoor</strong> <strong>Unit</strong> Fan IPM<strong>Outdoor</strong> <strong>Unit</strong> Fan DC Link Input Voltage is under 380VLiquid pipe temperature sensor of outdoor unit is openor short<strong>Outdoor</strong> <strong>Unit</strong> Subcooling Inlet Temperature Sensoropen or short<strong>Outdoor</strong> <strong>Unit</strong> Subcooling Outlet Temperature Sensoropen or shortPressure unbalance in <strong>Outdoor</strong> <strong>Unit</strong>s<strong>Outdoor</strong> <strong>Unit</strong> Fan Inverter PCB Temperature is Over95°C<strong>Outdoor</strong> <strong>Unit</strong> Fan PCB Heat Sink Temperature Sensoropen or shortInstallation 36
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