Samsung Electronics 67ـ Error code related to the Communications / Settings / HWCODE ExplanationE-464 Error due to over-current of inverter compressor 1E-465 V-limit error of inverter compressor 1E-466 Error due to over voltage /low voltage of Inverter PBA1E-467 Error due to unconnected wire of compressor 1E-468 Output current sensor error of inverter PBA1E-469 DC voltage sensor error of inver PBA1E-470 Outdoor EEPROM data checksum errorE-471 Error due to the INV1 Data FlashE-475 Outdoor fan 2 errorE-484 PFC overload errorE-485 Error due to input current of inverter 1E-500 Error due to overheat caused by contact failure on IPM of Inverter PBA1E-554 Gas leak errorE-590 Inverter EEPROM loading errorE-601 Communication error between the Hydro Unit and wired remote controllerE-604 Communication tracking error between the Hydro Unit and wired remote controllerE-653 Wired remote controllertemp sensor SHORT or OPENE-654 Memory(EEPROM) ReadWrite error(Wired remote controller data error)E-702 Error due to closed EEV of indoor unit (1st detection)E-703 Error due to opened EEV of indoor unit (1st detection)E-901 Water inlet (PHE) temp sensor error (Short/Open)E-902 Water outlet (PHE) temp sensor error (Short/Open)E-904 Water tank temp sensor error (Short/Open)E-906 Refrigerant gas inlet temp sensor error (Short/Open)E-911 Flow switch open errorE-912 Flow switch close errorE-914 Thermostat wrong connection errorE-916 Mixing valve temp sensor error (Short/Open)