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ENGLISH
Installation Manual 87
Display Title Cause of Error
1
Failing to receive Slave Unit signal at main PCB of Master Outdoor
Unit
1042
Failing to receive master and other Slave Unit signal at main PCB of
Slave1 Outdoor Unit
3
Failing to receive master and other Slave Unit signal at main PCB of
Slave2 Outdoor Unit
1
Failing to receive fan signal at main PCB of master unit.
1052
Failing to receive fan signal at main PCB of Slave1 unit.
3
Failing to receive fan signal at main PCB of Slave2 unit.
1 Instant Over Current at Master Outdoor Unit Fan IPM
1062 Instant Over Current at Slave1 Outdoor Unit Fan IPM
3 Instant Over Current at Slave2 Outdoor Unit Fan IPM
1
Master Outdoor Unit Fan DC Link Input Voltage is under 380V
1072
Slave1 Outdoor Unit Fan DC Link Input Voltage is under 380V
3
Slave2 Outdoor Unit Fan DC Link Input Voltage is under 380V
1
Liquid pipe temperature sensor of Master Outdoor Unit is open or
short
1132
Liquid pipe temperature sensor of slave1 Outdoor Unit is open or
short
3
Liquid pipe temperature sensor of slave2 Outdoor Unit is open or
short
1
Master Outdoor Unit Subcooling Inlet Temperature Sensor open or
short
1142
Slave1 Outdoor Unit Subcooling Inlet Temperature Sensor open or
short
3
Slave2 Outdoor Unit Subcooling Inlet Temperature Sensor open or
short
1
Master Outdoor Unit Subcooling Outlet Temperature Sensor open or
short
1152
Slave1 Outdoor Unit Subcooling Outlet Temperature Sensor open or
short
3
Slave2 Outdoor Unit Subcooling Outlet Temperature Sensor open or
short
1
Pressure unbalance between Outdoor Units
1512
Pressure unbalance between Outdoor Units
3
Pressure unbalance between Outdoor Units
1
Comp locking, Check Valve leakage, comp dielectric break down at
Master Outdoor Unit
1732
Comp locking, Check Valve leakage, comp dielectric at Slave1
Outdoor Unit
3
Comp locking, Check Valve leakage, comp dielectric at Slave2
Outdoor Unit
Communication Error Between Master
Outdoor Unit and Other Outdoor Unit
Communication Error Between Slave1
Outdoor Unit and Other Outdoor Unit
Communication Error Between Slave2
Outdoor Unit and Other Outdoor Unit
Master Outdoor Unit Fan PCB
Communication Error
Slave1 Outdoor Unit Fan PCB
Communication Error
Slave2 Outdoor Unit Fan PCB
Communication Error
Master Outdoor Unit FAN IPM Fault Error
Slave1 Outdoor Unit FAN IPM Fault Error
Slave2 Outdoor Unit FAN IPM Fault Error
Master Outdoor Unit Fan DC Link Low
Voltage Error
Slave1 Outdoor Unit Fan DC Link Low
Voltage Error
Slave2 Outdoor Unit Fan DC Link Low
Voltage Error
Master Outdoor Unit Liquid pipe
Temperature Sensor Error
Slave1 Outdoor Unit Liquid pipe
Temperature Sensor Error
Slave2 Outdoor Unit Liquid pipe
Temperature Sensor Error
Master Outdoor Unit Subcooling Inlet
Temperature Sensor Error
Slave1 Outdoor Unit Subcooling Inlet
Temperature Sensor Error
Slave2 Outdoor Unit Subcooling Inlet
Temperature Sensor Error
Master Outdoor Unit Subcooling Outlet
Temperature Sensor Error
Slave1 Outdoor Unit Subcooling Outlet
Temperature Sensor Error
Slave2 Outdoor Unit Subcooling Outlet
Temperature Sensor Error
Failure of operation mode conversion at
Master Outdoor Unit
Failure of operation mode conversion at
Slave1 Outdoor Unit
Failure of operation mode conversion at
Slave2 Outdoor Unit
Master Outdoor Unit Constant Speed
Compressor Fault
Slave1 Outdoor Unit Constant Speed
Compressor Fault
Slave2 Outdoor Unit Constant Speed
Compressor Fault
Outdoor unit related error
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