HP Surestore 80fx Optical Drive and Library SCSI-2 Command Reference - Page 266

Drive Error Codes Drive Error Codes Drive Request Sense Command Values Table A-1 Drive Request Sense Command Values The Request Sense Command (see Table 2-6 on page 2-10) returns values for the Sense Key and Additional Sense Code. Drive Request Sense - Sense Key Values Request Sense - Sense Key Values Byte 2, Bits 3 through 0 Sense Name Key Abbrev. Description 0H No Sense NS 1H Recovered Error RE 2H Not Ready NR 3H Medium Error ME 4H Hardware Error HE 5H Illegal Request IR The command completed successfully. The last command was completed successfully with some recovery action performed by the drive/ controller. The drive cannot be accessed. The command terminated with an unrecovered error condition that was caused by a optical disk defect. The drive/controller detected a hardware error. There was an illegal parameter in the command descriptor block or in the additional parameters supplied for some commands. Appendix A A-3