Installation Manual
75
ENGLISH
Test Run
Master Outdoor Unit input voltage is over 487V or
below 270V
slave Outdoor Unit input voltage is over 487V or below
270V
The First Start Failure by Master Outdoor Unit Inverter
Compressor Abnormality
The First Start Failure by slave Outdoor Unit Inverter
Compressor Abnormality
System is turned off by Master outdoor unit DC
Voltage Over Charging
System is turned off by slave Outdoor unit DC Voltage
Over Charging
Master Outdoor Unit Inverter Compressor Fault OR
Drive Fault
slave Outdoor Unit Inverter Compressor Fault OR
Drive Fault
System is turned off by Master outdoor unit Inverter
Compressor High Discharge Temperature
System is turned off by slave Outdoor unit Inverter
Compressor High Discharge Temperature
System is turned off by Master Outdoor Uunit Constant
Speed High Discharge Temperature
System is turned off by slave Outdoor Unit Constant
Speed High Discharge Temperature
System is turned off by excessive increase of high
pressure of Master outdoor unit
System is turned off by excessive increase of high
pressure of slave outdoor unit
System is turned off by excessive decrease of low
pressure of Master outdoor unit
System is turned off by excessive decrease of low
pressure of slave outdoor unit
Master Outdoor Unit Inverter Compressor CT Sensor
open or short
slave Outdoor Unit Inverter Compressor CT Sensor
open or short
Master Outdoor Unit Inverter Compressor Discharge
Temperature Sensor open or short
slave Outdoor Unit Inverter Compressor Discharge
Temperature Sensor open or short
Master Outdoor Unit Low Pressure Sensor open or
short
slave Outdoor Unit Low Pressure Sensor open or short
Master Outdoor Unit Input Voltage
High/ Low Voltage
slave Outdoor Unit Input Voltage
High/ Low Voltage
Master Outdoor Unit Inverter
Compressor Start Failure
slave Outdoor Unit Inverter
Compressor Start Failure
Master Outdoor Unit Inverter DC
link High Voltage
slave Outdoor Unit Inverter DC
link High Voltage
Master Outdoor Unit Inverter
Compressor Over Current
slave Outdoor Unit Inverter
Compressor Over Current
Master Outdoor Unit Inverter
Compressor High Discharge
Temperature
slave Outdoor Unit Inverter
Compressor High Discharge
Temperature
Master Outdoor Unit Constant
Speed Compressor High
Discharge Temperature
slave Outdoor Unit Constant
Speed Compressor High
Discharge Temperature
High Pressure of Master Outdoor
Unit
High Pressure of slave Outdoor
Unit
Low Pressure of Master Outdoor
Unit
Low Pressure of slave Outdoor
Unit
Master Outdoor Unit Inverter
Compressor CT Sensor Fault
slave Outdoor Unit Inverter
Compressor CT Sensor Fault
Master Outdoor Unit Inverter
Compressor Discharge
Temperature Sensor Fault
slave Outdoor Unit Inverter
Compressor Discharge
Temperature Sensor Fault
Master Outdoor Unit Low Pressure
Sensor Fault
slave Outdoor Unit Low Pressure
Sensor Fault
Display
Title
Cause of Error
1
2
5
2
1
2
6
2
1
2
8
2
1
2
9
2
1
3
2
2
1
3
3
2
1
3
4
2
1
3
5
2
1
4
0
2
1
4
1
2
1
4
2
2
Outdoor unit related error