Standard ASC and ASCQ codes are described.
This section provides descriptions of standard ASC (Additional Sense Code) and ASCQ (Additional Sense Code Qualifier) codes. The ASC and ASCQ codes are bytes 12 and 13 for SCSI-2 devices. On Windows systems these codes are displayed in the Windows Event Log, but the information is in different bytes.
See server message ANR8300E or ANR8302E for the recommended action.
The following table provides standard descriptions for some ASC and ASCQ codes. Each value has a prefix of 0x, which indicates that it is a hexadecimal constant. Note that descriptions vary among devices. For an accurate description of ASC and ASCQ codes for any device, see the documentation that comes with the device.
| ASC | ASCQ | Description |
|---|---|---|
| 0x00 | 0x00 | No additional sense |
| 0x00 | 0x01 | Filemark detected |
| 0x00 | 0x02 | End-of-medium detected |
| 0x00 | 0x03 | Setmark detected |
| 0x00 | 0x04 | Beginning of medium |
| 0x00 | 0x05 | End of data |
| 0x00 | 0x06 | I/O process terminated |
| 0x02 | 0x00 | No seek complete |
| 0x03 | 0x00 | Device write fault |
| 0x03 | 0x01 | No write current |
| 0x03 | 0x02 | Excessive write errors |
| 0x04 | 0x00 | Logical unit not ready |
| 0x04 | 0x01 | Becoming ready |
| 0x04 | 0x02 | Not ready, initializing command required |
| 0x04 | 0x03 | Not ready, manual intervention required |
| 0x04 | 0x04 | Not ready, formatting |
| 0x05 | 0x00 | No response to select |
| 0x06 | 0x00 | No reference position found |
| 0x07 | 0x00 | Multiple devices selected |
| 0x08 | 0x00 | Communication failure |
| 0x08 | 0x01 | Communication timeout |
| 0x08 | 0x02 | Communication parity error |
| 0x09 | 0x00 | Track following error |
| 0x0A | 0x00 | Error log overflow |
| 0x0C | 0x00 | Write error |
| 0x11 | 0x00 | Unrecovered read error |
| 0x11 | 0x01 | Read retries exhausted |
| 0x11 | 0x02 | Error too long to correct |
| 0x11 | 0x03 | Multiple read errors |
| 0x11 | 0x08 | Incomplete block read |
| 0x11 | 0x09 | No gap found |
| 0x11 | 0x0A | Miscorrected error |
| 0x14 | 0x00 | Recorded entity not found |
| 0x14 | 0x01 | Record not found |
| 0x14 | 0x02 | Filemark/setmark not found |
| 0x14 | 0x03 | End-of-data not found |
| 0x14 | 0x04 | Block sequence error |
| 0x15 | 0x00 | Random positioning error |
| 0x15 | 0x01 | Mechanical positioning error |
| 0x15 | 0x02 | Read positioning error |
| 0x17 | 0x00 | No error correction applied |
| 0x17 | 0x01 | Recovered with retries |
| 0x17 | 0x02 | Recovered with positive head offset |
| 0x17 | 0x03 | Recovered with negative head offset |
| 0x18 | 0x00 | ECC applied |
| 0x1A | 0x00 | Parameter list length error |
| 0x1B | 0x00 | Synchronous data transfer error |
| 0x20 | 0x00 | Invalid operation code |
| 0x21 | 0x00 | Block out of range |
| 0x21 | 0x01 | Invalid element address |
| 0x24 | 0x00 | Invalid field in CDB |
| 0x25 | 0x00 | LUN not supported |
| 0x26 | 00 | Invalid field in parameter list |
| 0x26 | 0x01 | Parameter not supported |
| 0x26 | 0x02 | Parameter value invalid |
| 0x26 | 0x03 | Threshold parameters not supported |
| 0x27 | 0x00 | Write protected |
| 0x28 | 0x00 | Not-ready to ready |
| 0x28 | 0x01 | Import/export element accessed |
| 0x29 | 0x00 | Power-on, reset, bus reset |
| 0x2A | 0x00 | Parameters changed |
| 0x2A | 0x01 | Mode parameters changed |
| 0x2A | 0x02 | Log parameters changed |
| 0x2B | 0x00 | Copy cannot run |
| 0x2C | 0x00 | Command sequence error |
| 0x2D | 0x00 | Overwrite error on update |
| 0x2F | 0x00 | Command cleared by initiator |
| 0x30 | 0x00 | Incompatible media |
| 0x30 | 0x01 | Media unknown format |
| 0x30 | 0x02 | Media incompatible format |
| 0x30 | 0x03 | Cleaning cartridge installed |
| 0x31 | 0x00 | Media format corrupted |
| 0x33 | 0x00 | Tape length error |
| 0x37 | 0x00 | Rounded parameter |
| 0x39 | 0x00 | Saving parameters not supported |
| 0x3A | 0x00 | Medium not present |
| 0x3B | 0x00 | Sequential positioning error |
| 0x3B | 0x01 | Positioning error at BOT |
| 0x3B | 0x02 | Positioning error at EOT |
| 0x3B | 0x08 | Reposition error |
| 0x3B | 0x0D | Medium destination element full |
| 0x3B | 0x0E | Medium source element empty |
| 0x3D | 0x00 | Invalid bits in message |
| 0x3E | 0x00 | LUN not self-configured |
| 0x3F | 0x00 | Operating conditions changed |
| 0x3F | 0x01 | Microcode changed |
| 0x3F | 0x02 | Changed operating definition |
| 0x3F | 0x03 | Inquiry data changed |
| 0x3F | 0x0E | Reported LUNs data changed |
| 0x43 | 0x00 | Message error |
| 0x44 | 0x00 | Internal target failure |
| 0x45 | 0x00 | Select/reselect failure |
| 0x46 | 0x00 | Unsuccessful soft reset |
| 0x47 | 0x00 | SCSI parity error |
| 0x48 | 0x00 | Initiator detected message received |
| 0x49 | 0x00 | Invalid message error |
| 0x4A | 0x00 | Command phase error |
| 0x4B | 0x00 | Data phase error |
| 0x4C | 0x00 | LUN failed self-configuration |
| 0x4E | 0x00 | Overlapped commands attempt |
| 0x50 | 0x00 | Write append error |
| 0x50 | 0x01 | Write append position error |
| 0x50 | 0x02 | Position error (timing) |
| 0x51 | 0x00 | Erase failure |
| 0x52 | 0x00 | Cartridge fault |
| 0x53 | 0x00 | Load/media eject failed |
| 0x53 | 0x01 | Unload tape failure |
| 0x53 | 0x02 | Media removal prevented |
| 0x5A | 0x00 | Operator state changed |
| 0x5A | 0x01 | Operator media removal |
| 0x5A | 0x02 | Operator write protect |
| 0x5A | 0x03 | Operator write permit |
| 0x5B | 0x00 | Log exception |
| 0x5B | 0x01 | Threshold condition met |
| 0x5B | 0x02 | Log counter at maximum |
| 0x5B | 0x03 | Log list codes exhausted |