LG · Air Conditioning
This fault indicates that the data stored in the EEPROM (memory chip) has become corrupted or does not match the expected values. This can affect system settings and operation.
Click steps to track your progress.
Turn off the power to the unit.
Reset the unit by turning off the power for at least 1 minute.
If the error persists, the EEPROM may need to be reprogrammed or the main control board replaced by a technician.