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TEST RUN
103
ENGLISH
Display Title Cause of Error
Outdoor unit related error
2 9 *
Master Outdoor Unit Inverter Com-
pressor Over Current
Master Outdoor Unit Inverter Compressor Fault
or Drive Fault
3 2 *
Master Outdoor Unit Inverter Com-
pressor1 High Discharge Temperature
Master Outdoor Unit Inverter Compressor1
High Discharge Temperature
3 3 *
Master Outdoor Unit Inverter Com-
pressor2 High Discharge Temperature
Master Outdoor Unit Inverter Compressor2
High Discharge Temperature
3 4 *
High Pressure of Master Outdoor Unit High Pressure of Master Outdoor Unit
3 5 *
Low Pressure of Master Outdoor Unit Low Pressure of Master Outdoor Unit
3 6 *
Master Outdoor Unit Low Compres-
sion Ratio Limited
Master Outdoor Unit Low Compression Ratio
Limited
4 0 *
Master Outdoor Unit Inverter Com-
pressor CT Sensor Fault
Master Outdoor Unit Inverter Compressor CT
Sensor open or short
4 1 *
Master Outdoor Unit Inverter Com-
pressor1 Discharge Temperature Sen-
sor Fault
Master Outdoor Unit Inverter Compressor Dis-
charge Temperature Sensor open or short
4 2 *
Master Outdoor Unit Low Pressure
Sensor Fault
Master Outdoor Unit Low Pressure Sensor
open or short
4 3 *
Master Outdoor Unit High Pressure
Sensor Fault
Master Outdoor Unit High Pressure Sensor
open or short
4 4 *
Master Outdoor Unit Air Temperature
Sensor Fault
Master Outdoor Unit Air Temperature Sensor
open or short
4 5 *
Master Outdoor Unit Heat Exchanger
Temperature Sensor (Front side) Fault
Master Outdoor Unit Heat Exchanger Tempera-
ture Sensor(Front side) open or short
4 6 *
Master Outdoor Unit Suction Tempera-
ture Sensor Fault
Master Outdoor Unit Suction Temperature Sen-
sor open or short
4 7 *
Master Outdoor Unit Inverter Com-
pressor2 Discharge Temperature Sen-
sor Fault
Master Outdoor Unit Inverter Compressor2 Dis-
charge Temperature Sensor open or short
4 9 *
Master Outdoor Unit Faulty IPM Tem-
perature Sensor
Master Outdoor Unit IPM Temperature Sensor
short/open
5 0 *
Omitting connection of R, S, T power
of Master Outdoor Unit
Omitting connection of Master outdoor unit
5 1 *
Excessive capacity of indoor units
Excessive connection of indoor units compared
to capacity of Outdoor Unit
5 2 *
Communication error : inverter PCB ’
Main PCB
Failing to receive inverter signal at main PCB of
Master Outdoor Unit
5 3 *
Communication error : indoor unit ’
Main PCB of Outdoor Unit
Failing to receive indoor unit signal at main PCB
of Outdoor Unit .
5 7 *
Communication error : Main PCB ’
inverter PCB
Failing to receive signal main PCB at inverter
PCB of Master Outdoor Unit
5 9 *
Mixing Installation of Sub Outdoor Unit
Mixing Installation of Old Sub Outdoor Unit and
New Slave Outdoor Unit
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