LG ARUN115DT2 Installation Manual page 76

Test Run
Display
Master Outdoor Unit High
1
Pressure Sensor Fault
4 3
slave Outdoor Unit High Pressure
2
Sensor Fault
Master Outdoor Unit Air
1
Temperature Sensor Fault
4 4
slave Outdoor Unit Air
2
Temperature Sensor Fault
Master Outdoor Unit Heat
1
Exchanger Temperature
Sensor(A) Fault
4 5
slave Outdoor Unit Heat
2
Exchanger Temperature
Sensor(A) Fault
Master Outdoor Unit Suction
1
Temperature Sensor Fault
4 6
slave Outdoor Unit Suction
2
Temperature Sensor Fault
Master Outdoor Unit Constant
Speed Compressor Discharge
1
Temperature Sensor Fault
4 7
slave Outdoor Unit Constant
Speed Compressor Discharge
2
Temperature Sensor Fault
Master Outdoor Unit Heat
1
Exchanger Temperature
Sensor(B) Fault
4 8
slave Outdoor Unit Heat
2
Exchanger Temperature
Sensor(B) Fault
Omitting connection of R, S, T
1
power of Master Outdoor unit
5 1
Omitting connection of R, S, T
2
power of slave outdoor unit
Excessive capacity of indoor units
5 1 1
Communication error : inverter
1
PCB ¡ Main PCB
5 2
Communication error : inverter
2
PCB ¡ Main PCB
Communication error : indoor unit
5 3 1
¡ main PCB of outdoor unit
Reverse connection of R, S, T
1
power of Master Outdoor unit
5 4
Reverse connection of R, S, T
2
power of slave outdoor unit
Mixing Installation of Sub Outdoor
5 9 1
Unit
76 76 Outdoor Unit Outdoor Unit
Title
Master Outdoor Unit High Pressure Sensor open or
short
slave Outdoor Unit High Pressure Sensor open or
short
Master Outdoor Unit Air Temperature Sensor open or
short
slave Outdoor Unit Air Temperature Sensor open or
short
Master Outdoor Unit Heat Exchanger Temperature
Sensor(A) open or short
slave Outdoor Unit Heat Exchanger Temperature
Sensor(A) open or short
Master Outdoor Unit Suction Temperature Sensor
open or short
slave Outdoor Unit Suction Temperature Sensor open
or short
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 Exchanger Temperature
Sensor(B) open or short
slave Outdoor Unit Heat Exchanger Temperature
Sensor(B) open or short
Omitting connection of Master outdoor unit
Omitting connection of slave outdoor unit
Excessive connection of indoor units compared to
capacity of outdoor unit
Failing to receive inverter signal at main PCB of Master
Outdoor Unit
Failing to receive inverter signal at main PCB of slave
Outdoor Unit
Failing to receive indoor unit signal at main PCB of out-
door 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
Mixing Installation of Old Sub outdoor unit and New
Slave Outdoor Unit
Cause of Error