HP StorageWorks 1000ux/1900ux/2300ux and 3800ux/7100ux Optical Jukebox Service Manual (AA969-90904, September 2004)

Troubleshooting and Diagnostics
36 1000ux/1900ux/2300ux and 3800ux/7100ux Optical Jukebox Service Manual
8A Short plunge to test for a cartridge in a drive when the picker contains a
cartridge. If resistance is felt, this is interpreted as a cartridge in the drive.
Used in an ISTAT.
8B Plunge out. Used in error recovery. Is an attempt to push a cartridge out of
the vertical picker path and into a magazine.
8C Retract thumbs back into the picker. Used in error recovery. Is an attempt to
pull a cartridge out of the vertical picker path and into the picker. Either this
micro-move or micro-move 8D is used, depending on position of the picker at
the start of recovery.
8D Retract thumbs back into the picker. Used in error recovery. Is an attempt to
pull a cartridge out of the vertical picker path and into the picker. Either this
micro-move or micro-move 8C is used, depending the on the position of the
picker at the start of recovery.
8E Move picker plunge assembly out to rearm the picker mechanism before
switching active picker.
8F Retract picker plunge assembly to a point just short of tripping the thumb
selection mechanism. First of two steps (second step is micro-move 90).
90 Retract picker fingers all the way back. Trips the mechanism that makes the
opposite thumb “active.”
91 Move picker plunge assembly forward, away from the full retracted position.
Clears the tripping mechanism and makes the new thumb “active.”
92 to 95 Factory use only. Does not run in normal operating code.
98 to 9F Factory use only. Does not run in normal operating code.
A2 First of two plunge movements toward the drive during error recovery.
Vertical movement is done before the second part of this movement
(micro-move A3) is done.
A3 Second of two plunge movements toward the drive during error recovery.
Done after a small vertical movement is done to “wiggle” the picker.
A4 Plunge out. Is an attempt to clear the vertical picker path during drive error
recovery.
A5 Retract picker. Is an attempt to clear the vertical picker path during drive error
recovery.
A5 First part of a two-step move to fully retract the picker plunge assembly.
Retract assembly almost all the way back. Next part of move is micro-move
A6.
A6 Second part of a two-step move to fully retract the picker plunge assembly.
Continues movement of micro-move A5 and brings picker plunge assembly all
the way back.
A7 Move picker plunge assembly forward a small amount from full retracted
position. Completes rearm of the picker mechanism.
A8 Move to a position where the picker thumb sensor can be read. Used in the
find plunge home recalibration.
A9 Move to a position where the current active picker can be read. Used in the
plunge home recalibration.
AA Fully retract picker plunge assembly to switch the active picker. One of three
moves used to make the top picker the active picker during a picker
recalibration.
Table 7: Micro-move IDs and expanded descriptions (Continued)
Micro-Move
ID (hex)
Description