Failing Item
Description
Document Description
CDTRAY
Flex cable on tray assembly
Problem Analysis; Symbolic FRU Isolation
DEVTERM
Bus Terminator
Problem Analysis; Symbolic FRU Isolation
MEDIA
Optical Media
System operation information
(63A0) Tape Unit Reference Codes
A tape unit failure occurred.
Note:
For tape device and IOP reset procedures, see TU-PIP4.
1.
Is the operating system available and can you enter commands from the
command line?
v
Yes
: Is OS/400 available on the system (see “Determining the Dominant
Operating System” in the
iSeries Service Functions
)?
–
No
: Continue with the next step.
–
Yes
: Use the online problem analysis procedures to isolate the problem.
Use the Work with Problem (
WRKPRB
) command to determine if a recent
problem was entered in the problem log, or use the Verify Tape (
VFYTAP
)
command to run verification tests.
v
No
: Continue with the next step.
2.
Clean the recording head in the tape unit.
3.
Attempt the failing operation again.
Does the operation complete successfully?
v
Yes
: The original data cartridge is defective. The problem has been corrected.
This ends the procedure.
v
No
: Look at the 4 rightmost characters of the Data display for word 1. These
4 characters are the unit reference code. Find the unit reference code in the
following table.
For more on the Failing Item column entries, see Table 2. Tape Unit Failing Items
Details, which follows the reference code table below.
Table 1. (63A0) Tape Unit Reference Codes
Reference Code
Description/Action Perform all actions before exchanging Failing Items
Failing Item
9020
I/O processor detected a SCSI bus configuration error
Before exchanging any parts, verify that the following condition is not
present:
v
Tape and DASD devices attached to an I/O Processor that does not
support Tape and Dasd devices at the same time.
UH7CNFG
FI00871
FI00130
9100
Interface error detected by I/O processor or by tape unit
If the attached device is an external device, do the following before
exchanging any parts:
1.
If an interposer is required, make sure that it is connected between the
I/O processor and the SCSI cable.
2.
Ensure that the SCSI cable is seated correctly, and that there are no bent
or damaged pins on the SCSI cable.
3.
Ensure that a terminating plug is attached to the device end of the SCSI
cable.
632x, 6330, 6336
System Reference Codes
177