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ENGLISH
Installation Manual 85
Test Run
Display Title Cause of Error
1
Master Outdoor Unit Heat Exchanger Temperature Sensor (Rear
side) open or short
482
Slave1 Outdoor Unit Heat Exchanger Temperature Sensor (Rear
side) open or short
3
Slave2 Outdoor Unit Heat Exchanger Temperature Sensor (Rear
side) open or short
1
Omitting connection of Master outdoor unit
502
Omitting connection of Slave1 Outdoor Unit
3
Omitting connection of Slave2 Outdoor Unit
511
Excessive connection of indoor units compared to capacity of
Outdoor Unit
1
Failing to receive inverter signal at main PCB of Master Outdoor Unit
522
Failing to receive inverter signal at main PCB of Slave1 Outdoor Unit
3
Failing to receive inverter signal at main PCB of Slave2 Outdoor Unit
531
Failing to receive indoor unit signal at main PCB of Outdoor Unit .
1
Reverse connection or omitting connection of R, S, T power of Master
Outdoor Unit
542
Reverse connection or omitting connection of R, S, T power of Slave1
Outdoor Unit
3
Reverse connection or omitting connection of R, S, T power of Slave2
Outdoor Unit
591
Mixing Installation of Old Sub Outdoor Unit and New Slave Outdoor
Unit
1
Access Error of Inverter PCB of Master Outdoor Unit
602
Access Error of Inverter PCB of Slave1 Outdoor Unit
3
Access Error of Inverter PCB of Slave2 Outdoor Unit
1 Restriction of Master Outdoor Unit
672 Restriction of Slave1 Outdoor Unit
3 Restriction of Slave2 Outdoor Unit
1
Constant CT Sensor open or short of Master Outdoor Unit
702
Constant CT Sensor open or short of Slave1 Outdoor Unit
3
Constant CT Sensor open or short of Slave2 Outdoor Unit
1
Master Outdoor Unit PFC CT Sensor open or short
712
Slave1 Outdoor Unit PFC CT Sensor open or short
3
Slave2 Outdoor Unit PFC CT Sensor open or short
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
Communication error : inverter PCB ’
Main PCB
Communication error : inverter PCB ’
Main PCB
Communication error : inverter PCB ’
Main PCB
Communication error : indoor unit ’ main
PCB of Outdoor Unit
Reverse connection of R, S, T power of
Master Outdoor Unit
Reverse connection of R, S, T power of
Slave1 Outdoor Unit
Reverse connection of R, S, T power of
Slave2 Outdoor Unit
Mixing Installation of Sub Outdoor Unit
Inverter PCB EEPROM Error of Master
Outdoor Unit
Inverter PCB EEPROM Error of Slave1
Unit
Inverter PCB EEPROM Error of Slave2
Unit
Master Outdoor Unit Fan Lock
Slave1 Outdoor Unit Fan Lock
Slave2 Outdoor Unit Fan Lock
Constant CT Sensor Error of Master
Outdoor Unit
Constant CT Sensor Error of Slave1
Outdoor Unit
Constant CT Sensor Error of Slave2
Outdoor Unit
PFC CT Sensor Error of Master Outdoor
Unit
PFC CT Sensor Error of Slave1 Outdoor
Unit
PFC CT Sensor Error of Slave2 Outdoor
Unit
Outdoor unit related error
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