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82 Outdoor Unit
Test Run
1
442
3
1
462
3
1
502
3
511
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 Compressor
Discharge Temperature Sensor open or short
Slave1 Outdoor Unit Constant Speed Compressor
Discharge Temperature Sensor open or short
Slave2 Outdoor Unit Constant Speed Compressor
Discharge Temperature Sensor open or short
Master Outdoor Unit Heat Exchanger Temperature
Sensor (Rear side) open or short
Slave1 Outdoor Unit Heat Exchanger Temperature
Sensor (Rear side) open or short
Slave2 Outdoor Unit Heat Exchanger Temperature
Sensor (Rear side) open or short
Omitting connection of Master outdoor unit
Omitting connection of Slave1 Outdoor Unit
Omitting connection of Slave2 Outdoor Unit
Excessive connection of indoor units compared to
capacity of Outdoor Unit
Master Outdoor Unit Air
Temperature Sensor Fault
Slave1 Outdoor Unit Air
Temperature Sensor Fault
Slave2 Outdoor Unit Air
Temperature Sensor Fault
Master Outdoor Unit Heat
Exchanger Temperature Sensor
(Front side) Fault
Slave1 Outdoor Unit Heat
Exchanger Temperature Sensor
(Front side) Fault
Slave2 Outdoor Unit Heat
Exchanger Temperature Sensor
(Front side) Fault
Master Outdoor Unit Suction
Temperature Sensor Fault
Slave1 Outdoor Unit Suction
Temperature Sensor Fault
Slave2 Outdoor Unit Suction
Temperature Sensor Fault
Master Outdoor Unit Constant
Speed Compressor Discharge
Temperature Sensor Fault
Slave1 Outdoor Unit Constant
Speed Compressor Discharge
Temperature Sensor Fault
Slave2 Outdoor Unit Constant
Speed Compressor Discharge
Temperature Sensor Fault
Master Outdoor Unit Heat
Exchanger Temperature Sensor
(Rear side) Fault
Slave1 Outdoor Unit Heat
Exchanger Temperature Sensor
(Rear side) Fault
Slave2 Outdoor Unit Heat
Exchanger Temperature Sensor
(Rear side) Fault
Omitting connection of R, S, T
power of Master Outdoor Unit
Omitting connection of R, S, T
power of Slave1 Outdoor Unit
Omitting connection of R, S, T
power of Slave2 Outdoor Unit
Excessive capacity of indoor units
Display Title Cause of Error
1
472
3
1
482
3
1
452
3
Outdoor unit related error
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