Customer
Error Code
Descriptions
(
Device Error Code
Description
Device
Error
Address
Subdevice
xx
y
Address
zz
(
Tape
002 E
'Z2.
Invalid command
for
device or invalid sequence
for
device -
Incorrect device address or file number specified by the user.
003
E
z:z.
Status error - Incorrect status sensed. The most recent status
byte is located at address hex 008F (refer
to
Status under
Tape
Adapter
I/O
Lines in Section 4).
:(
004 E
zz
Time-out
- Data cannot be found on tape, or a rewind operation
exceeded three minutes. (Data might not be found
if
the tape is
positioned where there is no data or
if
the tape unit failed.) A
time-out
occurs during the rewind operation
if
the tape unit fails
to
sense the load point hole.
If
the tape unit senses the larger
BOT /
EOT
holes, the tape moves forward looking
for
the load
point hole until the
time-out
occurs.
005 E
zz
Cartridge not inserted -
With
a cartridge inserted, status
bit
3 is
0, but should
be
1.
006
E
'Z2.
File protect - The file protect arrow is pointed
to
SAFE
for
a write
operation. Status bit 6
is
sensed
as
a 1 but should be a (indicates
tape
can
be
written).
.';"
007 E
zz
Cyclic redundancy check error - The data track
CRC
is bad (refer
'J
to
Error Checking
in
Section 4). Obtaining a correct
CRC
requires
'~
proper operation
of
a"
read/write
components
in
the tape unit.
An excessively used tape can cause 007 errors. Tape life is
several thousand head passes on a customer cartridge and
approximately 500 head passes on a
CE
diagnostic cartridge.
008 E
zz
Records or files out
of
sequence - Format record sequence
numbers or header file numbers are not read
in
the correct order
(refer
to
Tape
Writing and Formatting in Section 4).
009
E
'Z2.
End
of
data -
End
of
data (hex 42) was read from the record type
byte
of
a data record when end
of
data was not expected. The
tape unit is not usually the cause
of
this error.
,(
010 E
zz
End
of
file - A read or write operation was attempted beyond the
last record on the file. The tape unit is not usually the cause
of
this error.
011
E
zz
Specified file number cannot
be
found - A hex
FF
(end
of
marked
tape) was read from the header record file type byte before the
user specified file was found. The tape unit is not usually the
(~~
cause
of
this error.
012 E
'Z2.
Physical end
of
tape -
EOT
status bit a was sensed
as
a
1,
which
indicates
an
EOT
hole was sensed. An incorrect number
of
files
or
an
incorrect file size
can
cause this error.
f."
013 E
'Z2.
Tape unit not ready An incorrect device address was specified by
the user
for
the tape unit
or
there was not status response from
the tape unit.
Diagnostic Program Routines 3-61
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