LG ARUB115BT2 Installation Manual - Page 77

ENGLISH Outdoor unit related error Test Run Display 1 43 2 Title Master Outdoor Unit High Pressure Sensor Fault slave Outdoor Unit High Pressure Sensor Fault Cause of Error Master Outdoor Unit High Pressure Sensor open or short slave Outdoor Unit High Pressure Sensor open or short 4 4 1 Master Outdoor Unit Air Temperature Sensor Fault 2 slave Outdoor Unit Air Temperature Sensor Fault Master Outdoor Unit Air Temperature Sensor open or short slave Outdoor Unit Air Temperature Sensor open or short Master Outdoor Unit Heat 1 Exchanger Temperature 45 Sensor(A) Fault slave Outdoor Unit Heat 2 Exchanger Temperature Sensor(A) Fault Master Outdoor Unit Heat Exchanger Temperature Sensor(A) open or short slave Outdoor Unit Heat Exchanger Temperature Sensor(A) open or short 4 6 1 Master Outdoor Unit Suction Temperature Sensor Fault slave Outdoor Unit Suction 2 Temperature Sensor Fault Master Outdoor Unit Suction Temperature Sensor open or short slave Outdoor Unit Suction Temperature Sensor open or short Master Outdoor Unit Constant 1 Speed Compressor Discharge 47 Temperature Sensor Fault slave Outdoor Unit Constant 2 Speed Compressor Discharge Temperature Sensor Fault Master Outdoor Unit Constant Speed Compressor Discharge Temperature Sensor open or short slave Outdoor Unit Constant Speed Compressor Discharge Temperature Sensor open or short Master Outdoor Unit Heat 1 Exchanger Temperature 48 Sensor(B) Fault slave Outdoor Unit Heat 2 Exchanger Temperature Sensor(B) Fault Master Outdoor Unit Heat Exchanger Temperature Sensor(B) open or short slave Outdoor Unit Heat Exchanger Temperature Sensor(B) open or short 5 1 1 Omitting connection of R, S, T power of Master Outdoor unit Omitting connection of R, S, T 2 power of slave outdoor unit Omitting connection of Master outdoor unit Omitting connection of slave outdoor unit 5 1 1 Excessive capacity of indoor units Excessive connection of indoor units compared to capacity of outdoor unit 5 2 1 Communication error : inverter PCB ¡ Main PCB Communication error : inverter 2 PCB ¡ Main PCB Failing to receive inverter signal at main PCB of Master Outdoor Unit Failing to receive inverter signal at main PCB of slave Outdoor Unit 5 3 1 Communication error : indoor unit ¡ main PCB of outdoor unit Failing to receive indoor unit signal at main PCB of outdoor Unit. 5 4 1 Reverse connection of R, S, T power of Master Outdoor unit Reverse connection of R, S, T 2 power of slave outdoor unit Reverse connection or omitting connection of R, S, T power of Master outdoor unit Reverse connection or omitting connection of R, S, T power of slave outdoor unit 5 9 1 Mixing Installation of Sub Outdoor Unit Mixing Installation of Old Sub outdoor unit and New Slave Outdoor Unit Installation Manual 77