code: def _clear_error(self, command_string=b''):
          
          cmd_response = self.__send_command(const.CMD_ACK_ERROR, command_string, 1024)
          cmd_response = self.__send_command(const.CMD_ACK_UNKNOWN, command_string, 1024)
          cmd_response = self.__send_command(const.CMD_ACK_UNKNOWN, command_string, 1024)
          cmd_response = self.__send_command(const.CMD_ACK_UNKNOWN, command_string, 1024)
docs: clear ACK_error