Table of Contents
Advertisement
30
Display
Outdoor Unit Inverter Compressor CT Sensor Fault
4
0
1
Outdoor Unit Inverter Compressor Discharge Tem-
4
1
1
perature Sensor Fault
Outdoor Unit Low Pressure Sensor Fault
4
2
1
Outdoor Unit High Pressure Sensor Fault
4
3
1
Outdoor Unit Air Temperature Sensor Fault
4
4
1
Outdoor Unit Heat Exchanger Temperature Sensor
4
5
1
Fault
Outdoor Unit Suction Temperature Sensor Fault
4
6
1
Defective IPM Temperature Sensor
4
9
1
Omitting connection of R, S, T power of Outdoor
5
0
1
unit
Excessive capacity of indoor units
5
1
1
Communication error : inverter PCB → Main PCB
5
2
1
Communication error : indoor unit → main PCB of
5
3
1
outdoor unit
Reverse connection of R, S, T
5
4
1
power of Outdoor unit
Communication error : inverter PCB → Main PCB
5
7
1
Inverter PCB EEPROM error
6
0
1
Heat sink temperature high error
6
2
1
Outdoor Unit Fan Lock
6
7
1
Instant Over Current(Peak) of Outdoor Unit PFC
7
3
1
Outdoor Unit Main PCB EEPROM Error
8
6
1
PFC PCB EEPROM Error
8
8
1
Outdoor Unit Liquid pipe Temperature Sensor Error
1
1
3
1
Outdoor Unit Subcooling Outlet Temperature Sen-
1
1
5
1
sor Error
Failure of operation mode conversion at Outdoor
1
5
1
1
Unit
Network error
2
4
2
1
Title
Outdoor Unit Inverter Compressor CT Sensor open or short
Outdoor Unit Inverter Compressor Discharge Temperature Sensor
open or short
Outdoor Unit Low Pressure Sensor open or short
Outdoor Unit High Pressure Sensor open or short
Outdoor Unit Air Temperature Sensor open or short
Outdoor Unit Heat Exchanger Temperature
Sensor Open or Short
Outdoor Unit Suction Temperature Sensor open or short
Disconnection or short circuit on IPM temperature sensor of the
outdoor unit
Omitting connection of Outdoor unit
Excessive connection of indoor units compared to capacity of out-
door unit
Failing to receive inverter signal at main PCB of Outdoor Unit
Failing to receive indoor unit signal at main PCB of outdoor Unit.
Reverse connection or omitting connection of R, S, T power of Out-
door unit
Restriction of Outdoor Unit (Inverter PCB)
Check EEPROM checksum error when resetting power
When Heat sink temperature is above setting value
Restriction of Outdoor Unit Fan
Instant Over Current(Peak) of Outdoor Unit PFC
Communication Fail Between Outdoor Unit Main MICOM and EEP-
ROM or omitting EEPROM
Communication Fail Between Outdoor Unit PFC MICOM and EEP-
ROM or omitting EEPROM
Liquid pipe temperature sensor of outdoor unit is open or short
Outdoor Unit Subcooling Outlet Temperature Sensor open or short
Pressure unbalance between outdoor units
Network error of central control unit
Cause of Error
Hide quick links:
Advertisement
Table of Contents
