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English
Appendix
The table below list the self-diagnostic routines. For some of error, you must contact
an authorized service center.
If an error occurs during the operation, it is displayed on the outdoor unit HUB PCB.
‐
The error codes in the list are for reference only. They are not displayed on the
outdoor unit HUB PCB.
‐
If an error occurs while the product is operating normally, all LEDs of the A part
are turned off.
‐
If an error occurs during the installation, the green LED of the A part turns on. Take
corrective actions, and then see Setting the indoor unit addresses automatically on
page 25 and proceed with setting the indoor unit addresses again.
‐
: On, : Off, : Blinking
1
ON
DIP
2
3
4
Display (B part)
Error
Code
Explanation
Remark
Red
Green Yellow
E563
Console indoor connection Error
Check if the console indoor unit is connected first.
E458
Outdoor Fan Error
E320
Compressor OLP sensor error (Short/Open)
E465
Compressor Vlimit Error
E500
Inverter IPM over heat error
E470
Outdoor unit EEPROM Error
E471
Inverter micom option read/write error
E554
The refrigerant leaks completely from the outdoor
E461
Inverter compressor starting failure (5 times)
E401
Outdoor unit freezing - Safety control
(Compressor stop)
E404
Outdoor unit overload - Safety control
(Compressor stop)
E440
High temperature(over 30°C) or low
temperature(under -10℃) of outdoor as heating
mode
E441
Low temperature(under -10°C) of outdoor as
cooling mode
E463
Compressor trip by OLP temperature control mode
E251
Compressor Discharge temperature sensor error
(Short/Open)
E467
Abnormal compressor running (Compressor
Rotation Error)
E416
Outdoor unit high discharge temperature - Safety
control (Compressor stop)
Appendix
Appendix
Dip Switch
LED
(RED, GRN / RED,GRN,YEL)
K3
K1
A
B
Troubleshooting
