Installation Manual 119
ENGLISH
Display Title Cause of Error
Outdoor unit related error
1 8 2
1
Master outdoor unit Main Board Main-
Sub Micom communication error
Master Outdoor Unit Main Board Main-Sub Micom com-
munication failed
2
Slave1 outdoor unit Main Board Main-
Sub Micom communication error
Slave1 Outdoor Unit Main Board Main-Sub Micom com-
munication failed
3
Slave2 outdoor unit Main Board Main-
Sub Micom communication error
Slave2 Outdoor Unit Main Board Main-Sub Micom com-
munication failed
4
Slave3 outdoor unit Main Board Main-
Sub Micom communication error
Slave3 Outdoor Unit Main Board Main-Sub Micom com-
munication failed
1 8 4
1
Master Inv. oil equalizing pipe Tempera-
ture Sensor error
Master Outdoor Unit oil equalizing temperature Sensor
open or short
2
Slave1 Inv. oil equalizing pipe Tempera-
ture Sensor error
Slave1 Outdoor Unit oil equalizing temperature Sensor
open or short
3
Slave2 Inv. oil equalizing pipe Tempera-
ture Sensor error
Slave2 Outdoor Unit oil equalizing temperature Sensor
open or short
4
Slave3 Inv. oil equalizing pipe Tempera-
ture Sensor error
Slave3 Outdoor Unit oil equalizing temperature Sensor
open or short
1 8 5
1
Master const.1 oil equalizing pipe Tem-
perature Sensor error
Master Outdoor Unit oil equalizing temperature Sensor
open or short
2
Slave1 const.1 oil equalizing pipe Tem-
perature Sensor error
Slave1 Outdoor Unit oil equalizing temperature Sensor
open or short
3
Slave2 const.1 oil equalizing pipe Tem-
perature Sensor error
Slave2 Outdoor Unit oil equalizing temperature Sensor
open or short
4
Slave3 const.1 oil equalizing pipe Tem-
perature Sensor error
Slave3 Outdoor Unit oil equalizing temperature Sensor
open or short
1 8 6
1
Master const.2 oil equalizing pipe Tem-
perature Sensor error
Master Outdoor Unit oil equalizing temperature Sensor
open or short
2
Slave1 const.2 oil equalizing pipe Tem-
perature Sensor error
Slave1 Outdoor Unit oil equalizing temperature Sensor
open or short
3
Slave2 const.2 oil equalizing pipe Tem-
perature Sensor error
Slave2 Outdoor Unit oil equalizing temperature Sensor
open or short
4
Slave3 const.2 oil equalizing pipe Tem-
perature Sensor error
Slave3 Outdoor Unit oil equalizing temperature Sensor
open or short
1 9 3
1
Excessive increase of Master Outdoor
Unit Fan PCB Heat Sink Temperature
Master Outdoor Unit Fan Inverter PCB Temperature is
Over 95°C
2
Excessive increase of Slave1 Outdoor
Unit Fan PCB Heat Sink Temperature
Slave1 Outdoor Unit Fan Inverter PCB Temperature is
Over 95°C
3
Excessive increase of Slave2 Outdoor
Unit Fan PCB Heat Sink Temperature
Slave2 Outdoor Unit Fan Inverter PCB Temperature is
Over 95°C
4
Excessive increase of Slave3 Outdoor
Unit Fan PCB Heat Sink Temperature
Slave3 Outdoor Unit Fan Inverter PCB Temperature is
Over 95°C
1 9 4
1
Master Outdoor Unit Fan PCB Heat Sink
Temperature Sensor Error
Master Outdoor Unit Fan PCB Heat Sink Temperature
Sensor open or short
2
Slave1 Outdoor Unit Fan PCB Heat Sink
Temperature Sensor Error
Slave1 Outdoor Unit Fan PCB Heat Sink Temperature
Sensor open or short
3
Slave2 Outdoor Unit Fan PCB Heat Sink
Temperature Sensor Error
Slave2 Outdoor Unit Fan PCB Heat Sink Temperature
Sensor open or short
4
Slave3 Outdoor Unit Fan PCB Heat Sink
Temperature Sensor Error
Slave3 Outdoor Unit Fan PCB Heat Sink Temperature
Sensor open or short
2 0 0 1
Searching pipe Error Failure of automatic addressing of valves
2 0 1
C + #HR
HR unit1 Liqiud sensor error Liquid pipe sensor of HR unit open or short
2 0 2
C + #HR
HR unit1 Sub Cooling Pipe sensor error Sub Cooling Pipe In sensor of HR unit open or short
2 0 3
C + #HR
HR unit1 Sub Cooling Pipe Out sensor
error
Sub Cooling Pipe Out sensor of HR unit. open or short
2 0 4
C + #HR
Communication error Failing to receive HR unit signal at outdoor unit
C: HR unit
#: HR unit Number
Test Run
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