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2 . 9 . 2
FAILURE TO FUNCTION
When a disk drive fails in operation , type SET EC= Y and press the return
key on the keyboard.
drive number .
This causes the appropriate fai lure codes to be displayed
on the CRT .
Fai lure Code
$000A
Device (disk drive)
not ready
$00 1 0
Disk or disk drive
$00 1 1
Disk
Data
$00 17
Disk
Data
$00 19
Software error
$00 1A
Operating error
$001B
P l anar board
$00 1C
D isk or
p l anar board
$00 7 0
D isk or
p l anar board
*:
Enter D ir
the asterisk must be the failed disk
CRU
Check drive assembly power switch,
power cord, and fus e .
command .
replace disk drive assemb l y .
Disk improperly formatted o r fault
in disk drive .
repeat operation .
drive if fault persists .
Disk improperly formatted .
disk and repeat operation .
data and command and repeat operation .
Disk improperly formatted .
disk and repeat operation .
software for cause of improper format t ing .
Sector buffer too smal l .
so ftware .
Des e lect this drive; then
reselect it .
CRC value does not match data value .
Replace p l anar board.
Reformat disk and repeat operation .
I f fau l t persists , replace
p l anar board .
Reformat disk .
perform optional check .
3 . 8 , "Diskette and Disk Checks . "
Correct ive Action
Repeat
I f fault pers ists ,
Reformat disk and
Rep l ace disk
Check
I f fault pers ists ,
See Sect ion
Fault Detection 2 - 20
Reformat
Check
Reformat
Check
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