Return Status	Value	Description
RFID_API_SUCCESS	0	Function succeeded
RFID_API_COMMAND_TIMEOUT	1	Command Timeout
RFID_API_PARAM_ERROR	2	Invalid parameter given
RFID_API_PARAM_OUT_OF_RANGE	3	Parameter out of Range
RFID_API_CANNOT_ALLOC_MEM	4	Cannot allocate memory
RFID_API_UNKNOWN_ERROR	5	Unable to determine error
RFID_API_INVALID_HANDLE	6	Invalid Handle is provided
RFID_API_BUFFER_TOO_SMALL	7	Assigned memory buffer is small
RFID_READER_FUNCTION_UNSUPPORTED	8	Functionality Not Supported by Reader
RFID_RECONNECT_FAILED	9	Unable to Reconnect to reader. The Reader state might have changed. Attempt Connect API instead of Reconnect API
RFID_API_DATA_NOT_INITIALISED	10	DATA should be initalised before using the structure
RFID_API_ZONE_ID_ALREADY_EXITS	11	Zone ID already exists
RFID_API_ZONE_ID_NOT_FOUND	12	Zone ID not found
RFID_COMM_OPEN_ERROR	100	Unable to open connection to reader
RFID_COMM_CONNECTION_ALREADY_EXISTS	101	Connection Already exists
RFID_COMM_RESOLVE_ERROR	102	Unable to resolve IP or Host Name
RFID_COMM_SEND_ERROR	103	Error sending to transport interface
RFID_COMM_RECV_ERROR	104	Error receiving from transport interface
RFID_COMM_NO_CONNECTION	105	No Connection exists to the Host
RFID_INVALID_SOCKET	106	Invalid Socket Handle
RFID_READER_REGION_NOT_CONFIGURED	107	Region of the Reader is not configured
RFID_READER_REINITIALIZING	108	Reader is reinitializing after a Firmware/OEM update
RFID_SECURE_CONNECTION_ERROR	109	Secure connection error
RFID_ROOT_SECURITY_CERTIFICATE_ERROR	110	Root CA Security certificate missing or invalid
RFID_HOST_SECURITY_CERTIFICATE_ERROR	111	Host Security certificate missing or invalid
RFID_HOST_SECURITY_KEY_ERROR	112	Host private key missing or invalid
RFID_CONFIG_GET_FAILED	200	Unable to get the configuration
RFID_CONFIG_SET_FAILED	201	Unable to set the configuration
RFID_CAP_NOT_SUPPORTED	300	The specified capability is not supported
RFID_CAP_GET_FAILED	301	Unable to get the capability
RFID_FILTER_NO_FILTER	400	No Filter criteria specified
RFID_FILTER_INVALID_INDEX	401	Invalid index specified
RFID_FILTER_MAX_FILTERS_EXCEEDED	402	Reached limit for maximum number of filters that can be added
RFID_NO_READ_TAGS	403	No Tags read
RFID_NO_REPORTED_EVENTS	404	No Events have been reported from the Reader
RFID_INVENTORY_MAX_TAGS_EXCEEDED	405	Tag List is full, tag cannot be stored
RFID_INVENTORY_IN_PROGRESS	406	Cannot perform operation as an Inventory operation is in progress
RFID_NO_INVENTORY_IN_PROGRESS	407	There is no Inventory operation in progress
RFID_TAG_LOCATING_IN_PROGRESS	420	Tag Locating in progress, cannot perform requested operation
RFID_NO_TAG_LOCATING_IN_PROGRESS	421	There is no Tag locating operation in progress
RFID_NXP_EAS_SCAN_IN_PROGRESS	422	NXP EAS SCAN Operation in progress, cannot perform requested operation
RFID_NO_NXP_EAS_SCAN_IN_PROGRESS	423	There is no NXP EAS SCAN operation in progress
RFID_ACCESS_IN_PROGRESS	500	Cannot perform operation as an Access operation is in progress
RFID_NO_ACCESS_IN_PROGRESS	501	There is no Access operation in Progress
RFID_ACCESS_TAG_READ_FAILED	502	Tag read failed
RFID_ACCESS_TAG_WRITE_FAILED	503	Tag write failed
RFID_ACCESS_TAG_LOCK_FAILED	504	Tag Lock failed
RFID_ACCESS_TAG_KILL_FAILED	505	Tag Kill failed
RFID_ACCESS_TAG_BLOCK_ERASE_FAILED	506	Tag Block Erase failed
RFID_ACCESS_TAG_BLOCK_WRITE_FAILED	507	Tag Block Write failed
RFID_ACCESS_TAG_NOT_FOUND	508	Tag not found in the field
RFID_ACCESS_SEQUENCE_NOT_INITIALIZED	510	Access Sequence is not initialized
RFID_ACCESS_SEQUENCE_EMPTY	511	There is no operation added to Access Sequence
RFID_ACCESS_SEQUENCE_IN_USE	512	Access Sequence is already initialized and in use
RFID_ACCESS_SEQUENCE_MAX_OP_EXCEEDED	513	Reached limit for maximum number of operations that can be added into Access-Sequence
RFID_ACCESS_TAG_RECOMMISSION_FAILED	514	Tag Recommission failed
RFID_ACCESS_TAG_BLOCK_PERMALOCK_FAILED	515	Tag Block Permalock failed
RFID_ACCESS_NXP_TAG_SET_EAS_FAILED	516	Change EAS on the tag failed
RFID_ACCESS_NXP_TAG_READ_PROTECT_FAILED	517	Read Protect on the tag failed
RFID_ACCESS_FUJITSU_CHANGE_WORDLOCK_FAILED	518	Tag Change WordLock failed
RFID_ACCESS_FUJITSU_CHANGE_BLOCKLOCK_FAILED	519	Tag Change BlockLock failed
RFID_ACCESS_FUJITSU_READ_BLOCKLOCK_FAILED	520	Tag Read BlockLock failed
RFID_ACCESS_FUJITSU_BURST_WRITE_FAILED	521	Tag Burst Write failed
RFID_ACCESS_FUJITSU_BURST_ERASE_FAILED	522	Tag Burst Erase failed
RFID_ACCESS_FUJITSU_CHANGE_BLOCK_OR_AREA_GROUPPASSWORD_FAILED	523	Tag Change BlockOrAreaGroup Password failed
RFID_ACCESS_FUJITSU_AREA_READLOCK_FAILED	524	Tag Area ReadLock failed
RFID_ACCESS_FUJITSU_AREA_WRITELOCK_FAILED	525	Tag Area WriteLock failed
RFID_ACCESS_FUJITSU_AREA_WRITELOCK_WOPASSWORD_FAILED	526	Tag Area WriteLockWOPassword failed
RFID_ACCESS_NXP_CHANGE_CONFIG_FAILED	527	NXP Change Config failed
RFID_ACCESS_IMPINJ_QT_READ_FAILED	528	Impinj QT Read failed
RFID_ACCESS_IMPINJ_QT_WRITE_FAILED	529	Impinj QT Write failed
RFID_RM_INVALID_USERNAME_PASSWORD	601	Invalid Username or password
RFID_RM_NO_UPDATION_IN_PROGRESS	602	All firmware images are up to date. No update in progress
RFID_RM_UPDATION_IN_PROGRESS	603	Firmware update is in progress
RFID_RM_COMMAND_FAILED	604	RM command processing failed
RFID_NXP_BRANDID_CHECK_IN_PROGRESS	605	BrandID check in progress
RFID_NO_RF_SURVEY_OPERATION_IN_PROGRESS	701	No RF Survey in progress
RFID_RFSURVEY_IN_PROGRESS	702	RF Survey in progress
RFID_NO_COM_PORT_AVAILABLE	703	Readers are not connected to any COM Ports
RFID_GPIO_PORT_DISABLED	704	GPIO port is disabled
RFID_COMM_START_ERROR	705	Radio start error or unable to communicate with the host
RFID_COMM_STOP_ERROR	706	Radio stop error or unable to communicate with the host
RFID_INVALID_ERROR_CODE	720	Invalid Error-code