LG ARUN096BT2 Installation Manual - Page 85

Test Run ENGLISH Outdoor unit related error Display Title Communication Error Between 1 Master Outdoor Unit and Other Outdoor Unit Cause of Error Failing to receive Slave Unit signal at main PCB of Master Outdoor Unit Communication Error Between 1 0 4 2 Slave1 Outdoor Unit and Other Outdoor Unit Failing to receive master and other Slave Unit signal at main PCB of Slave1 Outdoor Unit Communication Error Between 3 Slave2 Outdoor Unit and Other Outdoor Unit Failing to receive master and other Slave Unit signal at main PCB of Slave2 Outdoor Unit 1 Master Outdoor Unit Fan PCB Communication Error Failing to receive fan signal at main PCB of master unit. 1 0 5 2 Slave1 Outdoor Unit Fan PCB Communication Error Failing to receive fan signal at main PCB of Slave1 unit. 3 Slave2 Outdoor Unit Fan PCB Communication Error Failing to receive fan signal at main PCB of Slave2 unit. 1 Master Outdoor Unit FAN IPM Fault Error Instant Over Current at Master Outdoor Unit Fan IPM 1 0 6 2 Slave1 Outdoor Unit FAN IPM Fault Error Instant Over Current at Slave1 Outdoor Unit Fan IPM 3 Slave2 Outdoor Unit FAN IPM Fault Error Instant Over Current at Slave2 Outdoor Unit Fan IPM 1 Master Outdoor Unit Fan DC Link Low Voltage Error Master Outdoor Unit Fan DC Link Input Voltage is under 380V 1 0 7 2 Slave1 Outdoor Unit Fan DC Link Low Voltage Error Slave1 Outdoor Unit Fan DC Link Input Voltage is under 380V 3 Slave2 Outdoor Unit Fan DC Link Slave2 Outdoor Unit Fan DC Link Input Voltage is Low Voltage Error under 380V Master Outdoor Unit Liquid pipe Liquid pipe temperature sensor of Master Outdoor Unit 1 Temperature Sensor Error is open or short Slave1 Outdoor Unit Liquid pipe 1 1 3 2 Temperature Sensor Error Liquid pipe temperature sensor of slave1 Outdoor Unit is open or short Slave2 Outdoor Unit Liquid pipe Liquid pipe temperature sensor of slave2 Outdoor Unit 3 Temperature Sensor Error is open or short Master Outdoor Unit Subcooling Master Outdoor Unit Subcooling Inlet Temperature 1 Inlet Temperature Sensor Error Sensor open or short Slave1 Outdoor Unit Subcooling 1 1 4 2 Inlet Temperature Sensor Error Slave1 Outdoor Unit Subcooling Inlet Temperature Sensor open or short Slave2 Outdoor Unit Subcooling Slave2 Outdoor Unit Subcooling Inlet Temperature 3 Inlet Temperature Sensor Error Sensor open or short 1 Master Outdoor Unit Subcooling Outlet Temperature Sensor Error Master Outdoor Unit Subcooling Outlet Temperature Sensor open or short 1 1 5 2 Slave1 Outdoor Unit Subcooling Outlet Temperature Sensor Error Slave1 Outdoor Unit Subcooling Outlet Temperature Sensor open or short 3 Slave2 Outdoor Unit Subcooling Outlet Temperature Sensor Error Slave2 Outdoor Unit Subcooling Outlet Temperature Sensor open or short 1 Failure of operation mode conversion at Master Outdoor Unit Pressure unbalance between Outdoor Units 1 5 1 2 Failure of operation mode conversion at Slave1 Outdoor Unit Pressure unbalance between Outdoor Units 3 Failure of operation mode conversion at Slave2 Outdoor Unit Pressure unbalance between Outdoor Units Installation Manual 85