text_sensor:

  - platform: modbus_controller
    modbus_controller_id: must
    address: 15213
    register_type: holding
    response_size: 2
    raw_encode: HEXBYTES
    name: "PV Charger error"
    icon: mdi:alert-circle-outline
    lambda: |-
      uint16_t value = modbus_controller::word_from_hex_str(x, 0);
      switch (value) {
        case 1: return std::string("Hardware protection");
        case 2: return std::string("Overcurrent");
        case 3: return std::string("Current sensor error");
        case 4: return std::string("Overtemperature");
        case 5: return std::string("PV voltage is too high");
        case 6: return std::string("PV voltage is too low");
        case 7: return std::string("Battery voltage is too high");
        case 8: return std::string("Battery voltage is too Low");
        case 9: return std::string("Current is uncontrollable");
        case 10: return std::string("Parameter error");
        default: return std::string("None");
      }
      return x;

  - platform: modbus_controller
    modbus_controller_id: must
    address: 25261
    register_type: holding
    response_size: 2
    raw_encode: HEXBYTES
    name: "Inverter error 1"
    icon: mdi:alert-circle-outline
    lambda: |-
      uint16_t value = modbus_controller::word_from_hex_str(x, 0);
      switch (value) {
        case 1: return std::string("Fan is locked when inverter is off");
        case 2: return std::string("Inverter transformer over temperature");
        case 3: return std::string("Battery voltage is too high");
        case 4: return std::string("Battery voltage is too low");
        case 5: return std::string("Output short circuited");
        case 6: return std::string("Inverter output voltage is high");
        case 7: return std::string("Overload time out");
        case 8: return std::string("Inverter bus voltage is too high");
        case 9: return std::string("Bus soft start failed");
        case 10: return std::string("Main relay failed");
        case 11: return std::string("Inverter output voltage sensor error");
        case 12: return std::string("Inverter grid voltage sensor error");
        case 13: return std::string("Inverter output current sensor error");
        case 14: return std::string("Inverter grid current sensor error");
        case 15: return std::string("Inverter load current sensor error");
        case 16: return std::string("Inverter grid over current error");
        default: return std::string("None");
      }
      return x;
  - platform: modbus_controller
    modbus_controller_id: must
    address: 25262
    register_type: holding
    response_size: 2
    raw_encode: HEXBYTES
    name: "Inverter error 2"
    icon: mdi:alert-circle-outline
    lambda: |-
      uint16_t value = modbus_controller::word_from_hex_str(x, 0);
      switch (value) {
        case 1: return std::string("Inverter radiator over temperature");
        case 2: return std::string("Solar charger battery voltage class error");
        case 3: return std::string("Solar charger current sensor error");
        case 4: return std::string("Solar charger current is uncontrollable");
        case 5: return std::string("Inverter grid voltage is low");
        case 6: return std::string("Inverter grid voltage is high");
        case 7: return std::string("Inverter grid under frequency");
        case 8: return std::string("Inverter grid over frequency");
        case 9: return std::string("Inverter over current protection error");
        case 10: return std::string("Inverter bus voltage is too low");
        case 11: return std::string("Inverter soft start failed");
        case 12: return std::string("Over DC voltage in AC output");
        case 13: return std::string("Battery connection is open");
        case 14: return std::string("Inverter control current sensor error");
        case 15: return std::string("Inverter output voltage is too low");
        default: return std::string("None");
      }
      return x;
  - platform: modbus_controller
    modbus_controller_id: must
    address: 25265
    register_type: holding
    response_size: 2
    raw_encode: HEXBYTES
    name: "Inverter warning 1"
    icon: mdi:alert-circle-outline
    lambda: |-
      uint16_t value = modbus_controller::word_from_hex_str(x, 0);
      switch (value) {
        case 1: return std::string("Fan is locked when inverter is on");
        case 2: return std::string("Fan2 is locked when inverter is on");
        case 3: return std::string("Battery is over-charged");
        case 4: return std::string("Low battery");
        case 5: return std::string("Overload");
        case 6: return std::string("Output power derating");
        case 7: return std::string("Solar charger stops due to low battery");
        case 8: return std::string("Solar charger stops due to high PV voltage");
        case 9: return std::string("Solar charger stops due to over load");
        case 10: return std::string("Solar charger over temperature");
        case 11: return std::string("PV charger communication error ");
        default: return std::string("None");
      }
      return x;