LG MULTI V WATER IV ARWN080LAS4 - Page 60

Display Title Cause of Error
Outdoor unit related error
4 4
1
Master Outside unit air temperature sensor
error
Master Outside unit air temperature sensor disconnection or
short circuit
2
Slave1 Outside unit air temperature sensor
error
Slave1 Outside unit air temperature sensor disconnection or
short circuit
3
Slave2 Outside unit air temperature sensor
error
Slave2 Outside unit air temperature sensor disconnection or
short circuit
4
Slave3 Outside unit air temperature sensor
error
Slave3 Outside unit air temperature sensor disconnection or
short circuit
4 6
1
Master outside unit suction temperature
sensor error
Master outside unit suction temperature sensor disconnection
or short circuit
2
Slave1 outside unit suction temperature
sensor error
Slave1 outside unit suction temperature sensor disconnection
or short circuit
3
Slave2 outside unit suction temperature
sensor error
Slave2 outside unit suction temperature sensor disconnection
or short circuit
4
Slave3 outside unit suction temperature
sensor error
Slave3 outside unit suction temperature sensor disconnection
or short circuit
4 9
1
Master outside unit IGBT temperature sen-
sor error
Master out side unit IGBT temperature sensor disconnection or
short circuit
2
Slave1 outside unit IGBT temperature sen-
sor error
Slave1 out side unit IGBT temperature sensor disconnection or
short circuit
3
Slave2 outside unit IGBT temperature sen-
sor error
Slave2 out side unit IGBT temperature sensor disconnection or
short circuit
4
Slave3 outside unit IGBT temperature sen-
sor error
Slave3 out side unit IGBT temperature sensor disconnection or
short circuit
5 0
1
Master outside unit 3 phase power missing Master outside unit power line phase missing
2
Slave1 outside unit 4 phase power missing Slave1 outside unit power line phase missing
3
Slave1 outside unit 5 phase power missing Slave2 outside unit power line phase missing
4
Slave1 outside unit 6 phase power missing Slave3 outside unit power line phase missing
5 1 1
Over-capacity (Indoor unit capacity sum is
excessive) connection
Excessive connection of indoor unit connection display value
(Different from outside unit)
5 2
1
Communication error with master outside
unit inverter controller
When the inverter controller signal is not received from the
master outside unit inverter controller
2
Communication error with Slave1 outside
unit inverter controller
When the inverter controller signal is not received from the
Slave1 outside unit inverter controller
3
Communication error with Slave2 outside
unit inverter controller
When the inverter controller signal is not received from the
Slave2 outside unit inverter controller
4
Communication error with Slave3 outside
unit inverter controller
When the inverter controller signal is not received from the
Slave3 outside unit inverter controller
5 3 1
Communication error with master Outside
unit controller and indoor unit
When the indoor unit control signal is not received from the
master Outside unit controller
Self-diagnosis function
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