• 01 – Indoor Unit Protection Device Tripping (Flow Switch)
  • 02 – Outdoor Unit Protection Device Trip (High Pressure Cutoff)
  • 03 – Abnormality Between Indoor and Outdoor Units
  • 04 – Abnormality Between Inverter PCB And Outdoor Unit PCB
  • 04. – Abnormality Between Fan Control And Outdoor Unit PCB
  • 05 – Abnormal Power Supply Phases
  • 06 – Abnormal Inverter Voltage
  • 06. – Abnormal Fan Control Voltage
  • 07 – Decrease at Output Gas Temperature
  • 08 – Output Gas Temperature Increase
  • 0A – Abnormalities Between Outdoor Unitsk
  • 0b – Incorrect Outdoor Unit Address Setting
  • 0C – Incorrect Master Outdoor Unit Setting
  • 11 – Air Inlet Thermistor
  • 12 – Air Outlet Thermistor
  • 13 – Frost Protection Thermistor
  • 14 – Gas Piping Thermistor
  • 19 – Indoor Unit Fan Protection Device Trip
  • 21 – High Pressure Sensor
  • 22 – Outdoor Thermistor
  • 23 – Compressor Outlet Gas Thermistor
  • 24 – Heat Exchanger Liquid Pipe Thermistor
  • 25 – Heat Exchanger Gas Pipe Thermistor
  • 29 – Low Pressure Sensor
  • 31 – Incorrect Capacity Setting of Outdoor Unit or Indoor Unit
  • 35 – Incorrect Setting of Indoor Unit Number
  • 36 – Indoor Unit Combination Error
  • 38 – Abnormality in the Receiving Circuit for Protection in the Outdoor Unit
  • 39 – Abnormal Current Circulating in Constant Speed ​​Compressor
  • 3A – Abnormalities in Outdoor Unit Capacity
  • 3b – Incorrect Adjustment of Outdoor Unit Model, Combination or Voltage
  • 3d – Abnormality of Communication Between Master and Slave Unitsi
  • 43 – Trip of Low Compression Ratio Protection Device
  • 44 – Tripping of Low Pressure Surge Protection Device
  • 45 – Opening the High Pressure Surge Protection Device
  • 47 – Trip of Low Pressure Fall Protection Device (Vacuum Operation Protection)
  • 51 – Abnormal Inverter Current Sensor
  • 53 – Inverter Fault Signal Detector
  • 54 – Inverter Blade Temperature Abnormality
  • 55 – Inverter Failure
  • 57 – Fan Control Protection Trip
  • 5A – Fan Control Blade Temperature Abnormality
  • 5b – Overcurrent Protection Tripping
  • 5C – Abnormality in Fan Control Sensor
  • EE – Compressor Protection Alarm
  • b1 – Outdoor Unit No. Setting Incorrect Unit Setting and Cooling Cycle No.
  • b5 – Indoor Unit No. Setting Incorrect Indoor Unit Connection Number Setting