LG MULTI V WATER IV ARWN080LAS4 - Page 57

Display Title Cause of Error
Outdoor unit related error
2 3
1
Master outside unit inverter compressor DC
link under-voltage
DC voltage is not charged after master outside unit operating
relay is turned on
2
Slave1 outside unit inverter compressor DC
link under-voltage
DC voltage is not charged after Slave1 outside unit operating
relay is turned on
3
Slave2 outside unit inverter compressor DC
link under-voltage
DC voltage is not charged after Slave2 outside unit operating
relay is turned on
4
Slave3 outside unit inverter compressor DC
link under-voltage
DC voltage is not charged after Slave3 outside unit operating
relay is turned on
2 4
1
Master outside unit high pressure switch
Compressor maintenance by master outside unit high pressure
switch Flow rate insufficiency or flow switch trouble of master
outside unit
2
Slave1 outside unit high pressure switch
Compressor maintenance by Slave1 outside unit high pressure
switch Flow rate insufficiency or flow switch trouble of master
outside unit
3
Slave2 outside unit high pressure switch
Compressor maintenance by Slave2 outside unit high pressure
switch Flow rate insufficiency or flow switch trouble of master
outside unit
4
Slave3 outside unit high pressure switch
Compressor maintenance by Slave3 outside unit high pressure
switch Flow rate insufficiency or flow switch trouble of master
outside unit
2 5
1
Master outside unit input voltage over-volt-
age/under-voltage
Master outside unit input voltage over-voltage or under-voltage
2
Slave1 outside unit input voltage over-volt-
age/under-voltage
Slave1 outside unit input voltage over-voltage or under-voltage
3
Slave2 outside unit input voltage over-volt-
age/under-voltage
Slave2 outside unit input voltage over-voltage or under-voltage
4
Slave3 outside unit input voltage over-volt-
age/under-voltage
Slave3 outside unit input voltage over-voltage or under-voltage
2 6
1
Master outside unit inverter compressor
operation failure error
Initial operation failure due to master outside unit inverter com-
pressor error
2
Slave1 outside unit inverter compressor
operation failure error
Initial operation failure due to Slave1 outside unit inverter com-
pressor error
3
Slave2 outside unit inverter compressor
operation failure error
Initial operation failure due to Slave2 outside unit inverter com-
pressor error
4
Slave3 outside unit inverter compressor
operation failure error
Initial operation failure due to Slave3 outside unit inverter com-
pressor error
2 8
1
Master outside unit inverter DC link over-
voltage error
Compressor turned Off due to master outside unit inverter DC
voltage over-charge
2
Slave1 outside unit inverter DC link over-
voltage error
Compressor turned Off due to Slave1 outside unit inverter DC
voltage over-charge
3
Slave2 outside unit inverter DC link over-
voltage error
Compressor turned Off due to Slave2 outside unit inverter DC
voltage over-charge
4
Slave3 outside unit inverter DC link over-
voltage error
Compressor turned Off due to Slave3 outside unit inverter DC
voltage over-charge
Self-diagnosis function
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