Samsung AM Series Installation Manual page 31

Display
E469 Error on DC-Link voltage sensor (Short or Open)
E470 Outdoor unit EEPROM Read/Write error (Option)
E471 Outdoor unit EEPROM Read/Write error (H/W)
E472 AC Line Zero Cross Signal out
E473 Comp Lock error
E474
Error on IPM Heat Sink sensor of inverter 1 (Short or Open)
E475
Error on inverter fan 2
E484
PFC Overload (Over current) Error
E485 Error on input current sensor of inverter 1 (Short or Open)
E500 IPM over heat error on inverter 1
E508 Smart install is not installed
E554 Gas leak detected
E556 Error due to mismatching capacity of indoor and outdoor unit
E557 DPM remote controller option error
E590 Inverter EEPROM CheckSum error
E660 Inverter Boot Code error
Explanation
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