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Display (B part)
Error
Code
Red
Green Yellow
E401
E404
E440
E441
E416
E458
E461
E462
E463
E464
E465
E466
E483
E467
E468
E469
E488
E470
E471
E474
E485
E484
E500
E554
Explanation
Outdoor unit freezing - Safety control
(Compressor stop)
Outdoor unit overload - Safety control
(Compressor stop)
heating mode
cooling mode
Outdoor unit high discharge temperature - Safety
control (Compressor stop)
Outdoor Fan Error
Inverter compressor starting failure (5 times)
Compressor trip by input current control mode
(PFC over current)
Compressor trip by OLP temperature control mode
DC Peak system error (Over current)
Compressor Vlimit Error
Inverter DC link Voltage error (under 150V, over
410V)
Abnormal compressor running (Compressor
Rotation Error)
Current sensor error (Short/Open)
DC-Link valtage sensor error (Short/Open)
Error of the input current sensor
Outdoor unit EEPROM Error
Inverter micom option read/write error
Inverter IPM Heat Sink sensor error (Short/Open)
Inverter input current sensor error (Short/Open)
PFC Overload error (Over current)
Inverter IPM over heat error
The refrigerant leaks completely from the outdoor
unit.
Remark
Check pipe lenght, indoor unit filter, refrigerant leakage/
charge and service port
Check pipe lenght, refrigerant leakage/charge
Check pipe lenght, refrigerant leakage/charge
31
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