LG MULTI V WATER IV ARWN080LAS4 - Page 59

Display Title Cause of Error
Outdoor unit related error
3 9
1
Master Outside unit Communication error
between Master outside unit PFC and
inverter board
Master Outside unit inverter compressor current detection (CT)
sensor disconnection or short circuit
2
Slave1 Outside unit Communication error
between Slave1 outside unit PFC and
inverter board
Slave1 Outside unit inverter compressor current detection (CT)
sensor disconnection or short circuit
3
Slave2 Outside unit Communication error
between Slave2 outside unit PFC and
inverter board
Slave2 Outside unit inverter compressor current detection (CT)
sensor disconnection or short circuit
4
Slave3 Outside unit Communication error
between Slave3 outside unit PFC and
inverter board
Slave3 Outside unit inverter compressor current detection (CT)
sensor disconnection or short circuit
4 0
1
Master outside unit inverter compressor CT
sensor error
Master outside unit inverter compressor current detection (CT)
sensor disconnection or short circuit
2
Slave1 outside unit inverter compressor CT
sensor error
Slave1 outside unit inverter compressor current detection (CT)
sensor disconnection or short circuit
3
Slave2 outside unit inverter compressor CT
sensor error
Slave2 outside unit inverter compressor current detection (CT)
sensor disconnection or short circuit
4
Slave3 outside unit inverter compressor CT
sensor error
Slave3 outside unit inverter compressor current detection (CT)
sensor disconnection or short circuit
4 1
1
Master outside unit inverter compressor dis-
charge temperature sensor error
Master outside unit inverter compressor discharge temperature
sensor disconnection or short circuit
2
Slave1 outside unit inverter compressor dis-
charge temperature sensor error
Slave1 outside unit inverter compressor discharge temperature
sensor disconnection or short circuit
3
Slave2 outside unit inverter compressor dis-
charge temperature sensor error
Slave2 outside unit inverter compressor discharge temperature
sensor disconnection or short circuit
4
Slave3 outside unit inverter compressor dis-
charge temperature sensor error
Slave3 outside unit inverter compressor discharge temperature
sensor disconnection or short circuit
4 2
1
Master Outdoor Unit Low Pressure Sensor
Fault
Master Outdoor Unit Low Pressure Sensor open or short
2
Slave1 Outdoor Unit Low Pressure Sensor
Fault
Slave1 Outdoor Unit Low Pressure Sensor open or short
3
Slave2 Outdoor Unit Low Pressure Sensor
Fault
Slave2 Outdoor Unit Low Pressure Sensor open or short
4
Slave3 Outdoor Unit Low Pressure Sensor
Fault
Slave3 Outdoor Unit Low Pressure Sensor open or short
4 3
1
Master Outdoor Unit High Pressure Sensor
Fault
Master Outside Unit High Pressure Sensor open or short
2
Slave1 Outdoor Unit High Pressure Sensor
Fault
Slave1 Outside Unit High Pressure Sensor open or short
3
Slave2 Outdoor Unit High Pressure Sensor
Fault
Slave2 Outside Unit High Pressure Sensor open or short
4
Slave3 Outdoor Unit High Pressure Sensor
Fault
Slave3 Outside Unit High Pressure Sensor open or short
Self-diagnosis function
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