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Troubleshooting & Diagnostics
Diagnostic Information
86
Troubleshooting
Code Description
40h Drive found data compressed using an algorithm other than DCLZ. MEDIUM
ERROR.
41h DC read transfer shorter than indicated in its header. MEDIUM ERROR.
42h Parity error while processing compressed data. HARDWARE ERROR.
47h Invalid DC command sequence received. HARDWARE ERROR.
48h Decompression error reported when no decompression should occur. HARDWARE
ERROR.
49h Decompression error reported while DC ASIC waited for input. HARDWARE
ERROR.
4Ah Decompression error reported while DC ASIC waited for output. HARDWARE
ERROR.
4Bh Decompression error reported when DC ASIC status is active. HARDWARE
ERROR.
4Ch Decompression error reported when DC ASIC status register indicates a Reset is
being performed. HARDWARE ERROR.
4Dh Decompression error reported when DC ASIC status register indicates bad word
length. HARDWARE ERROR.
4Eh Decompression error reported when DC ASIC status register indicates unknown
code word. HARDWARE ERROR.
4Fh Decompression error reported when DC ASIC status register indicates parity error.
HARDWARE ERROR.
52h DC task detected entity with algorithm ID of zero (not an access point), but
dictionary status was invalid (not 8 bytes). MEDIUM ERROR.
53h Entity header invalid. MEDIUM ERROR.
54h Defect in DC task firmware. Drive will only respond to a Log Sense to allow
access to Trace logs. HARDWARE ERROR.
80h Unexpected command received during a Write. HARDWARE ERROR.
81h Failure to get a write command.
82h Write command afoul; possible firmware defect. HARDWARE ERROR.
83h Reported problems during a Write; possible firmware defect. HARDWARE
ERROR.
84h RAW retry limit exceeded for a group. MEDIUM ERROR.
85h RAW retry limit exceeded while writing a frame. MEDIUM ERROR.
86h No communication message sent by servo processor over internal bus within the
time-out period. HARDWARE ERROR.
87h Bad Read command received. HARDWARE ERROR.
88h Failure to get a Read command.
89h Read command queue afoul; possible firmware defect. HARDWARE ERROR.