LG Multi V miniARUN Series Installation Manual page 54

Test Run
Sensor Check Error Code Display
In case error occurs during sensor checking process, error display is as shown below.
Following contents are displayed one after the other on the main PCB of outdoor unit.
Indoor sensor error :
319
Outdoor sensor error :
309
Displaying error content
Displaying error content
I Indoor unit error display
1. 1 and 2 number represents indoor unit number.
st nd
Indoor unit number follows auto addressing number.
2. Last number represents sensor.
1 Pipe inlet temperature sensor
2 Pipe outlet temperature sensor
3 Air temperature sensor
❈ Indoor unit number follows Auto addressing number.
I Displaying outdoor unit error
1. 1 st and 2 nd number represents error content(code).
2. Last number represents outdoor unit number.
1 Outdoor Air Temperature
2 Heat Exchanger 1
3 Inverter Compressor Discharge Temperature
4 Suction Temperature
5 Liquid Pipe Temperature
6 SC pipe in
7 SC pipe out
8 High Pressure Sensor
9 Low Pressure Sensor
54 Outdoor Unit
ex) Indoor unit No. 2 pipe inlet temperature sensor
error
ex) Outdoor unit liquid pipe temperature
sensor error
ex) Indoor unit No.2 pipe inlet temperature sensor error and
outdoor unitsuction temperature sensor error
Caution
1. Up to 5 number of errors is displayed continuously and
repeatedly. In case 5 number of errors occurs, again
perform sensor checking after solving errors.
2. IDU in which error occurred operates fan mode.