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ENGLISH
Installation Manual 111
Display Title Cause of Error
Outdoor unit related error
1 0 4
1
Communication Error Between Master
Outdoor Unit and Other Outdoor Unit
Failing to receive Slave Unit signal at main PCB of
Master Outdoor Unit
2
Communication Error Between Slave1
Outdoor Unit and Other Outdoor Unit
Failing to receive master and other Slave Unit signal
at main PCB of Slave1 Outdoor Unit
3
Communication Error Between Slave2
Outdoor Unit and Other Outdoor Unit
Failing to receive master and other Slave Unit signal
at main PCB of Slave2 Outdoor Unit
1 0 5
1
Master Outdoor Unit Fan PCB
Communication Error
Failing to receive fan signal at main PCB of master
unit.
2
Slave1 Outdoor Unit Fan PCB
Communication Error
Failing to receive fan signal at main PCB of Slave1
unit.
3
Slave2 Outdoor Unit Fan PCB
Communication Error
Failing to receive fan signal at main PCB of Slave2
unit.
1 0 6
1
Master Outdoor Unit FAN IPM Fault Error Instant Over Current at Master Outdoor Unit Fan IPM
2
Slave1 Outdoor Unit FAN IPM Fault Error Instant Over Current at Slave1 Outdoor Unit Fan IPM
3
Slave2 Outdoor Unit FAN IPM Fault Error Instant Over Current at Slave2 Outdoor Unit Fan IPM
1 0 7
1
Master Outdoor Unit Fan DC Link Low
Voltage Error
Master Outdoor Unit Fan DC Link Input Voltage is
under 380V
2
Slave1 Outdoor Unit Fan DC Link Low
Voltage Error
Slave1 Outdoor Unit Fan DC Link Input Voltage is
under 380V
3
Slave2 Outdoor Unit Fan DC Link Low
Voltage Error
Slave2 Outdoor Unit Fan DC Link Input Voltage is
under 380V
1 1 3
1
Master Outdoor Unit Liquid pipe
Temperature Sensor Error
Liquid pipe temperature sensor of Master Outdoor Unit
is open or short
2
Slave1 Outdoor Unit Liquid pipe
Temperature Sensor Error
Liquid pipe temperature sensor of slave1 Outdoor Unit
is open or short
3
Slave2 Outdoor Unit Liquid pipe
Temperature Sensor Error
Liquid pipe temperature sensor of slave2 Outdoor Unit
is open or short
1 1 5
1
Master Outdoor Unit Subcooling Outlet
Temperature Sensor Error
Master Outdoor Unit Subcooling Outlet Temperature
Sensor open or short
2
Slave1 Outdoor Unit Subcooling Outlet
Temperature Sensor Error
Slave1 Outdoor Unit Subcooling Outlet Temperature
Sensor open or short
3
Slave2 Outdoor Unit Subcooling Outlet
Temperature Sensor Error
Slave2 Outdoor Unit Subcooling Outlet Temperature
Sensor open or short
1 5 1
1
Failure of operation mode conversion at
Master Outdoor Unit
Pressure unbalance between Outdoor Units
2
Failure of operation mode conversion at
Slave1 Outdoor Unit
Pressure unbalance between Outdoor Units
3
Failure of operation mode conversion at
Slave2 Outdoor Unit
Pressure unbalance between Outdoor Units
Test Run
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