LG ARUN096BT2 Installation Manual - Page 80

Test Run Outdoor unit related error Display Title 1 Master Outdoor Unit Inverter Compressor DC link Low Voltage Cause of Error DC charging is not performed at Master Outdoor Unit after starting relay turn on. 2 3 2 Slave1 Outdoor Unit Inverter Compressor DC link Low Voltage DC charging is not performed at Slave1 Outdoor Unit after starting relay turn on. 3 Slave2 Outdoor Unit Inverter Compressor DC link Low Voltage DC charging is not performed at Slave2 Outdoor Unit after starting relay turn on. 1 Master Outdoor Unit High Pressure Switch System is turned off by Master Outdoor Unit high pressure switch. Slave1 Outdoor Unit High 2 4 2 Pressure Switch System is turned off by slave1 Outdoor Unit high pressure switch. 3 Slave2 Outdoor Unit High Pressure Switch System is turned off by slave2 Outdoor Unit high pressure switch. 1 Master Outdoor Unit Input Voltage High/ Low Voltage Master Outdoor Unit input voltage is over 487V or below 270V 2 5 2 Slave1 Outdoor Unit Input Voltage High/ Low Voltage Slave1 Outdoor Unit input voltage is over 487V or below 270V 3 Slave2 Outdoor Unit Input Voltage High/ Low Voltage Slave2 Outdoor Unit input voltage is over 487V or below 270V 1 Master Outdoor Unit Inverter Compressor Start Failure The First Start Failure by Master Outdoor Unit Inverter Compressor Abnormality 2 6 2 Slave1 Outdoor Unit Inverter Compressor Start Failure The First Start Failure by Slave1 Outdoor Unit Inverter Compressor Abnormality 3 Slave2 Outdoor Unit Inverter Compressor Start Failure The First Start Failure by Slave2 Outdoor Unit Inverter Compressor Abnormality 1 Master Outdoor Unit Inverter DC link High Voltage System is turned off by Master Outdoor Unit DC Voltage Over Charging 2 8 2 Slave1 Outdoor Unit Inverter DC link High Voltage System is turned off by Slave1 Outdoor Unit DC Voltage Over Charging 3 Slave2 Outdoor Unit Inverter DC link High Voltage System is turned off by Slave2 Outdoor Unit DC Voltage Over Charging Master Outdoor Unit Inverter 1 Compressor Over Current Master Outdoor Unit Inverter Compressor Fault OR Drive Fault Slave1 Outdoor Unit Inverter 2 9 2 Compressor Over Current Slave1 Outdoor Unit Inverter Compressor Fault OR Drive Fault Slave2 Outdoor Unit Inverter 3 Compressor Over Current Slave2 Outdoor Unit Inverter Compressor Fault OR Drive Fault Master Outdoor Unit Inverter 1 Compressor High Discharge Temperature System is turned off by Master Outdoor Unit Inverter Compressor High Discharge Temperature Slave1 Outdoor Unit Inverter 3 2 2 Compressor High Discharge Temperature System is turned off by Slave1 Outdoor Unit Inverter Compressor High Discharge Temperature Slave2 Outdoor Unit Inverter 3 Compressor Discharge High Temperature System is turned off by Slave2 Outdoor Unit Inverter Compressor High Discharge Temperature 80 Outdoor Unit