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Return Code

Code Description
SUCCESSSuccess
ERR_GET_OPTIONImport option error.
ERR_SET_OPTIONSet option error.
ERR_INVALID_OPTIONInvalid option.
ERR_CARD_SCAN_TIMEOUTCard scan timeout has expired.
ERR_CANNOT_SCAN_CARDCannot scan card.
ERR_CARD_SCAN_CANCELLEDCard scan canceled.
ERR_FINGERPRINT_SCAN_TIMEOUTFingerprint scan timeout has expired.
ERR_FINGERPRINT_CAPTURE_FAILCannot acquire fingerprint image.
ERR_FINGERPRINT_EXTRACTION_LOW_QUALITYInsufficient fingerprint minutiae information.
ERR_FINGERPRINT_CAPTURE_LOW_QUALITYThe quality of the acquired fingerprint image is low.
ERR_FAKE_FINGER_DETECTEDFake fingerprint.
ERR_FAKE_FINGER_TRY_AGAINFake fingerprint authentication retried.
ERR_FAKE_FINGER_SENSOR_ERRORFake fingerprint sensor error.
ERR_CANNOT_UPDATE_FINGERPRINTUnable to update fingerprint template.
ERR_INVALID_FINGERPRINT_PARAMInvalid fingerprint information.
ERR_TEMPLATE_FORMAT_MISMATCHDifferent from the system fingerprint template format.
ERR_VERIFY_FAIL_FINGERPRINTFingerprint 1:1 authentication failed.
ERR_IDENTIFY_FAIL_FINGERPRINTFingerprint 1:N authentication failed.
ERR_NOT_SAME_FINGERPRINTNot the same fingerprint.
ERR_EXTRACTION_FAIL_FINGERPRINTUnable to extract template data.
ERR_CANNOT_SCAN_FINGERPRINTCannot scan fingerprint.
ERR_FINGERPRINT_SCAN_CANCELLEDFingerprint scan canceled.
ERR_SCAN_FEEDBACK_NON_CENTER_POSITIONPlace finger in the center of the sensor.
ERR_SCAN_FEEDBACK_NON_FLATPlace finger flat on the sensor.
ERR_SCAN_FEEDBACK_TOO_HUMIDPress your finger lightly on the sensor or let it dry.
ERR_SCAN_FEEDBACK_TOO_DRYPress your finger slightly against the sensor or blow on it.
ERR_SCAN_FEEDBACK_INTERNAL_ERRORFingerprint scan failed due to internal error.
ERR_CANNOT_EXECUTE_OUTPUT_ACTIONOutput signal of the device cannot be executed.
ERR_CANNOT_EXECUTE_LED_ACTIONLED control of the device cannot be executed.
ERR_CAMERA_CAPTURE_FAILUnable to acquire images from the camera.
ERR_CANNOT_OPEN_DEVICE_DRIVERThere are no device drivers.
ERR_CANNOT_OPEN_RTCThere are no RTC devices.
ERR_CANNOT_SET_RTCCannot set the time on the RTC device.
ERR_CANNOT_GET_RTCCannot obtain the time information from the RTC device.
ERR_CANNOT_SET_LEDLED pattern cannot be set.
ERR_CANNOT_FIND_DEVICEDevice not found.
ERR_INVALID_RELAYInvalid relay device.
ERR_INVALID_PORTInvalid port.
ERR_FINGERPRINT_FULLCannot add more fingerprints.
ERR_DUPLICATE_IDDuplicate identifiers.
ERR_INVALID_IDInvalid identifier.
ERR_DUPLICATE_TEMPLATEThe fingerprint is already enrolled.
ERR_NOT_SUPPORTEDThis feature is not supported.
ERR_TIMEOUTTimeout has expired.
ERR_FILE_IOFile I/O operation failed.
ERR_ALLOC_MEMMemory allocation failed.
ERR_CANNOT_UPGRADEUpgrade failed.
ERR_CANNOT_CONNECT_FTP_SERVERUnable to connect to FTP server.
ERR_CANNOT_DOWNLOAD_FIRMWARE_FILEFailed to download firmware file.
ERR_CANNOT_GET_FIRMWARE_FILE_LISTFailed to receive firmware file list.
ERR_CANNOT_OPEN_FILEFailed to open file.