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Figure
Ref.
Code
O O D A
-7
(Page 2 of 2). Interface Controller Reference Codes
Lic int
code
The tape unit has received a command with an illegal length value.
This is a program problem beyond the unit interface. If the reference
code continues to occur, contact your next level of support.
Action
An illegal message was received from the host. This is a program
problem beyond the unit interface. If the reference code continues to
occur, contact your next level of support.
The host is using an illegal address for the tape unit. This is a
program problem beyond the unit interface. If the reference code con-
tinues to occur, contact your next level of support.
Immediate bit set without Immediate Response mode. This is a
program problem beyond the unit interface. If the reference code con-
tinues to occur, contact your next level of support.
The host is using an illegal page in mode select. This is a program
problem beyond the unit interface. If the reference code continues to
occur, contact your next level of support.
PartNumber
tic int
code
Lic int
code
Lic int
code
tic int
code
The tape unit has received a command with an illegal header value.
This is a program problem beyond the unit interface. If the reference
code continues to occur, contact your next level of support.
Probable
Cause
99 '10
99 %
99 %
99%
O O D B
tic int
code
The tape unit has received a message with a value in a field that
should be zero. This is a program problem beyond the unit interface.
If the reference code continues to occur, contact your next level of
support.
-
O O D C
O O D D
O O D E
Controller
56F0080
cable
Terminator
tic int
code
The data written to the buffer did not match the requested length. If
this reference code continues to occur, exchange the FRUs as needed.
Attempt the operation again after each FRU is exchanged to verify the
repair.
- -
ppp
-
The power-on self-test has failed. If F999 appears in the status display
on the front panel of the tape unit, see "Status Codes" on page 1-32.
If F999 is not in the display, make the problem occur again until F999
appears.
A bus protocol error has occurred. Do a write and read operation
from the host system. If this reference code continues to occur,
exchange the FRUs as needed. Do a write and read operation again
after each FRU is exchanged to verify the repair. The part number for
the signal cable must be obtained from the label on the signal cable
which is used in this system.
If the reference code continues to occur, contact your next level of
support.
- -
O O D F
Controller
56
F0080
cable
Terminator
Lic int
code
The host system failed to select the tape unit before a time-out
occurred. Do a write and read operation from the host system. If this
reference code continues to occur, exchange the FRUs as needed. Do
a write and read operation again after each FRU is exchanged to verify
the repair. The part number for the signal cable must be obtained
from the label on the signal cable which is used in this system.
If the reference code continues to occur, contact your next level of
support.
Chapter
1.
Analyzing Problems
1-21
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