LG Multi V Installation Manual

96 Outdoor Unit
Test Run
Display Title Cause of Error
Outdoor unit related error
Master Outdoor Unit Air Temperature Sensor open or
short
Slave1 Outdoor Unit Air Temperature Sensor open or
short
Slave2 Outdoor Unit Air Temperature Sensor open or
short
Master Outdoor Unit Heat Exchanger Temperature
Sensor(Front side) open or short
Slave1 Outdoor Unit Heat Exchanger Temperature
Sensor (Front side) open or short
Slave2 Outdoor Unit Heat Exchanger Temperature
Sensor(Front side) open or short
Master Outdoor Unit Suction Temperature Sensor open
or short
Slave1 Outdoor Unit Suction Temperature Sensor open
or short
Slave2 Outdoor Unit Suction Temperature Sensor open
or short
Master Outdoor Unit Constant Speed Compressor1
Discharge Temperature Sensor open or short
Slave1 Outdoor Unit Constant Speed Compressor1
Discharge Temperature Sensor open or short
Slave2 Outdoor Unit Constant Speed Compressor1
Discharge Temperature Sensor open or short
Master Outdoor Unit Constant Speed Compressor 2
Discharge Temperature Sensor open or short
Slave1 Outdoor Unit Constant Speed Compressor 2
Discharge Temperature Sensor open or short
Slave2 Outdoor Unit Constant Speed Compressor 2
Discharge Temperature Sensor open or short
Master Outdoor Unit IPM Temperature Sensor
short/open
Slave1 Outdoor Unit IPM Temperature Sensor
short/open
Slave2 Outdoor Unit IPM Temperature Sensor
short/open
Master Outdoor Unit Air Tempera-
ture Sensor Fault
Slave1 Outdoor Unit Air Tempera-
ture Sensor Fault
Slave2 Outdoor Unit Air Tempera-
ture Sensor Fault
Master Outdoor Unit Heat Ex-
changer Temperature Sensor
(Front side) Fault
Slave1 Outdoor Unit Heat Ex-
changer Temperature Sensor
(Front side) Fault
Slave2 Outdoor Unit Heat Ex-
changer Temperature Sensor
(Front side) Fault
Master Outdoor Unit Suction Tem-
perature Sensor Fault
Slave1 Outdoor Unit Suction Tem-
perature Sensor Fault
Slave2 Outdoor Unit Suction Tem-
perature Sensor Fault
Master Outdoor Unit Constant
Speed Compressor1 Discharge
Temperature Sensor Fault
Slave1 Outdoor Unit Constant
Speed Compressor1 Discharge
Temperature Sensor Fault
Slave2 Outdoor Unit Constant
Speed Compressor1 Discharge
Temperature Sensor Fault
Master Outdoor Unit Constant
Speed Compressor2 Discharge
Temperature Sensor Fault
Slave1 Outdoor Unit Constant
Speed Compressor2 Discharge
Temperature Sensor Fault
Slave2 Outdoor Unit Constant
Speed Compressor2 Discharge
Temperature Sensor Fault
Master Outdoor Unit Faulty IPM
Temperature Sensor
Slave1 Outdoor Unit Faulty IPM
Temperature Sensor
Slave2 Outdoor Unit Faulty IPM
Temperature Sensor
1
4 4 2
3
1
4 5 2
3
1
4 6 2
3
1
4 7 2
3
1
4 8 2
3
1
4 9 2
3

LG Multi V Specifications

General

Type	VRF (Variable Refrigerant Flow)
Compressor Type	Scroll
Refrigerant	R410A
Energy Efficiency	High
Control System	Centralized and individual control options
Indoor Units	Multiple types available (e.g., ceiling cassette, wall-mounted, ducted)