78
TEST RUN
ENGLISH
Display Title Cause of Error
Outdoor unit related error
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 Compression 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 Sen-
sor open or short
4 1 *
Master Outdoor Unit Inverter Compres-
sor1 Discharge Temperature Sensor 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 Temperature
Sensor(Front side) open or short
4 6 *
Master Outdoor Unit Suction Temperature Sensor Fault Master Outdoor Unit Suction Temperature Sensor open or short
4 7 *
Master Outdoor Unit Inverter Compres-
sor2 Discharge Temperature Sensor 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
6 0 *
Inverter PCB EEPROM Error of Master Outdoor Unit
Access Error of Inverter PCB of Master Outdoor Unit
6 2 *
Master Outdoor Unit Inverter Heatsink
High Temperature
System is turned off by Master Outdoor Unit In-
verter Heatsink High Temperature
6 5 *
Master Outdoor Unit Inverter Heatsink
Temperature Sensor Fault
Master Outdoor Unit Inverter Heatsink Tempera-
ture Sensor open or short
67*
Master Outdoor Unit Fan Lock Restriction of Master Outdoor Unit
71*
Converter CT Sensor Error of Master Outdoor Unit
Converter CT Sensor open or short of Master Outdoor Unit
75*
Master Outdoor Unit Fan CT Sensor Error
Master Outdoor Unit Fan CT Sensor open or short
76*
Master Outdoor Unit Fan DC Link High Voltage Error
Master Outdoor Unit Fan DC Link High Voltage Error
77*
Master Outdoor Unit Fan Over Current Error
Master Outdoor Unit Fan Current is over 5A
79*
Master Outdoor Unit Fan Start Failure Error Master Outdoor Unit Fan First Position Sensing Failure
86*
Master Outdoor Unit Main PCB EEP-
ROM Error
Communication Fail Between Master Outdoor Unit
Main MICOM and EEPROM or omitting EEPROM
87*
Master Outdoor Unit Fan PCB EEP-
ROM Error
Communication Fail Between Master Outdoor Unit
Fan MICOM and EEPROM or omitting EEPROM
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