ELECTRICAL WIRING
82
Display
Master Outdoor Unit Heat Exchanger
1
Temperature Sensor (Front side) Fault
Slave1 Outdoor Unit Heat Exchanger
2
Temperature Sensor (Front side) Fault
4 5
Slave2 Outdoor Unit Heat Exchanger
3
Temperature Sensor (Front side) Fault
Slave3 Outdoor Unit Heat Exchanger
4
Temperature Sensor (Front side) Fault
Master Outdoor Unit Suction Tempera-
1
ture Sensor Fault
Slave1 Outdoor Unit Suction Tempera-
2
ture Sensor Fault
4 6
Slave2 Outdoor Unit Suction Tempera-
3
ture Sensor Fault
Slave3 Outdoor Unit Suction Tempera-
4
ture Sensor Fault
Master Outdoor Unit Inverter Compres-
1
sor2 Discharge Temperature Sensor Fault
Slave1 Outdoor Unit Inverter Compressor2
2
Discharge Temperature Sensor Fault
4 7
Slave2 Outdoor Unit Inverter Compressor2
3
Discharge Temperature Sensor Fault
Slave3 Outdoor Unit Inverter Compressor2
4
Discharge Temperature Sensor Fault
Master Outdoor Unit Faulty IPM Tem-
1
perature Sensor
Slave1 Outdoor Unit Faulty IPM Tem-
2
perature Sensor
4 9
Slave2 Outdoor Unit Faulty IPM Tem-
3
perature Sensor
Slave3 Outdoor Unit Faulty IPM Tem-
4
perature Sensor
Omitting connection of R, S, T power of
1
Master Outdoor Unit
Omitting connection of R, S, T power of
2
Slave1 Outdoor Unit
5 0
Omitting connection of R, S, T power of
3
Slave2 Outdoor Unit
Omitting connection of R, S, T power of
4
Slave3 Outdoor Unit
Title
Master Outdoor Unit Heat Exchanger Temperature Sen-
sor(Front side) open or short
Slave1 Outdoor Unit Heat Exchanger Temperature Sen-
sor (Front side) open or short
Slave2 Outdoor Unit Heat Exchanger Temperature Sen-
sor(Front side) open or short
Slave3 Outdoor Unit Heat Exchanger Temperature Sen-
sor(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
Slave3 Outdoor Unit Suction Temperature Sensor open
or short
Master Outdoor Unit Inverter Compressor2 Discharge
Temperature Sensor open or short
Slave1 Outdoor Unit Inverter Compressor2 Discharge
Temperature Sensor open or short
Slave2 Outdoor Unit Inverter Compressor2 Discharge
Temperature Sensor open or short
Slave3 Outdoor Unit Inverter Compressor2 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
Slave3 Outdoor Unit IPM Temperature Sensor short/open
Omitting connection of Master outdoor unit
Omitting connection of Slave1 Outdoor Unit
Omitting connection of Slave2 Outdoor Unit
Omitting connection of Slave3 Outdoor Unit
Cause of Error