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Installation Manual 99
ENGLISH
Test Run
Display Title Cause of Error
1 7 3
1
Master Outdoor Unit Constant Speed
Compressor Fault
Comp locking, Check Valve leakage, comp dielectric break
down at Master Outdoor Unit
2
Slave1 Outdoor Unit Constant Speed
Compressor Fault
Comp locking, Check Valve leakage, comp dielectric at
Slave1 Outdoor Unit
3
Slave2 Outdoor Unit Constant Speed
Compressor Fault
Comp locking, Check Valve leakage, comp dielectric at
Slave2 Outdoor Unit
1 7 4
1
Master outdoor unit rated speed 2 con-
denser over-current
Master Outdoor Unit rated speed 2 condenser burned /
locked or fault by over-current
2
Slave1 outdoor unit rated speed 2 con-
denser over-current
Slave1 Outdoor Unit rated speed 2 condenser burned /
locked or fault by over-current
3
Slave2 outdoor unit rated speed 2 con-
denser over-current
Slave2 Outdoor Unit rated speed 2 condenser burned /
locked or fault by over-current
1 8 2
1
Master outdoor unit Main Board Main-
Sub Micom communication error
Master Outdoor Unit Main Board Main-Sub Micom commu-
nication failed
2
Slave1 outdoor unit Main Board Main-
Sub Micom communication error
Slave1 Outdoor Unit Main Board Main-Sub Micom commu-
nication failed
3
Slave2 outdoor unit Main Board Main-
Sub Micom communication error
Slave2 Outdoor Unit Main Board Main-Sub Micom commu-
nication failed
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
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
Outdoor unit related error
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