| 00 00 00 | No Additional Sense Code |
| 02 04 00 | The library is not ready due to an unknown cause |
| 02 04 01 | The library is becoming ready |
| 02 04 03 | The library is not ready and a manual intervention is required |
| 02 04 83 | A door is open and a magazine is missing |
| 02 04 8D | Offline |
| 02 04 90 | Library needs teaching |
| 02 3E 00 | Unknown check condition |
| 04 15 01 | A mechanical positioning error occurred |
| 04 15 80 | The accessor dropped a cartridge |
| 04 15 81 | The accessor could not pick up a cartridge |
| 04 15 83 | The accessor could not put a cartridge |
| 04 3B 87 | Cartridge stuck in tape drive |
| 04 3B 0D | The destination element is full |
| 04 3B 0E | The destination element is empty |
| 04 3F 80 | Could not erase EEPROM |
| 04 3F 84 | Could not program EEPROM |
| 04 40 01 | Cartridge in gripper at power on |
| 04 40 80 | Component failure (Comp-80) |
| 04 40 91 | Gripper failure |
| 04 40 A0 | The accessor could not move on the vertical (Y) axis |
| 04 40 A1 | The accessor could not home the vertical (Y) axis |
| 04 40 B0 | The accessor could not move on the horizontal (X) axis |
| 04 40 B1 | The accessor could not home the horizontal (X) axis |
| 04 40 C0 | The accessor could not move |
| 04 40 E0 | The accessor lost power |
| 04 44 00 | Firmware detected an internal logic failure |
| 04 53 00 | A drive did not load or unload a tape |
| 04 53 82 | Cannot lock the I/E station |
| 04 53 83 | Cannot unlock the I/E station |
| 04 83 00 | Label too short, too long or duplicate |
| 04 83 01 | Cannot read a bar code label due to scanner position |
| 04 84 00 | Firmware error |
| 05 1A 00 | Paramter List length error (bad cmd sent to library) |
| 05 20 00 | Illegal opcode in CDB (Command Data Byte - bad cmd sent to library) |
| 05 21 01 | Invalid Element address in CDB (Command Data Byte - bad cmd sent to library) |
| 05 24 00 | Invalid Field in CDB (Command Data Byte - bad cmd sent to library) |
| 05 24 80 | Attempt to write a read-only buffer (bad cmd sent to library) |
| 05 25 00 | Illegal LUN |
| 05 26 00 | Invalid field in field list (bad cmd sent to library) |
| 05 26 02 | Invalid parameter in parameter list (bad cmd sent to library) |
| 05 26 80 | Parameter data checksum failure |
| 05 30 00 | Incompatible media installed |
| 05 3B 0D | Destination element full for MOVE MEDIUM command |
| 05 3B 0E | Source element empty for MOVE MEDIUM command |
| 05 3B 85 | Destination of MOVE MEDIUM command cannot be accessor |
| 05 3B 86 | Source of MOVE MEDIUM command cannot be accessor |
| 05 3B 87 | Cartridge stuck in tape drive |
| 05 3B 90 | Source cartridge loaded into tape drive and not accessible (in use ?) |
| 05 3B A0 | Media type does not match destination media type |
| 05 3D 00 | Invalid bit in "Identity" message |
| 05 3E 00 | Incorrect LUN confguration |
| 05 44 00 | Firmware detected an internal logic failure |
| 05 53 01 | A drive did not unload a tape |
| 05 53 80 | Cartridge rejected in the I/O station because is was not properly loaded |
| 05 53 81 | I/O station is open |
| 05 83 02 | Cartridge magazine is not installed |
| 05 83 03 | Cell status and bar code questionable |
| 05 83 04 | Drive not installed |
| 06 28 00 | Door or doors opened and closed |
| 06 28 01 | I/O station opened |
| 06 29 00 | Power on, SCSI bus reset, or Bus device reset occurred |
| 06 29 80 | Reset for permanent error occurred |
| 06 29 81 | Reset into degraded mode of operation |
| 06 2A 01 | Mode parameters have been changed |
| 06 3F 01 | New firmware loaded |
| 08 43 00 | Message received at inappropriate time |
| 08 45 00 | Host rejected "Identify" message sent for reselection |
| 08 47 00 | Message system was disabled during parity error detection on SCSI bus, message system enabled but initiator rejected "Restore data pointer", or all parity error retires exhausted |
| 08 48 00 | Received an "Initiator Detected Error" or initiator rejected "Restore Data Pointer" in response to an "Initiator Detected Error" 08 4E 00 Disconnect during command processing |
