Reference Code Description/Action Perform all actions before exchanging Failing Items Failing Item
3100 Interface error detected by I/O processor or by tape unit
The IOP or the device detected a permanent error on the interface to the
system.
Perform the following:
1. “TU-PIP1” on page 446.
2. “TU-PIP3” on page 451.
46G2227
FI00141
FI00830
46G2599
42F7300
17G1500
46G3934
AJEDA00
3110 Tape unit command timeout
The tape drive did not complete a command sent by the IOP in the time
allowed.
Perform the following:
1. “TU-PIP1” on page 446.
2. TU-PIP2 in “Tape Unit Problem Isolation Procedures” on page 445
46G2227
FI00141
FI00830
46G2599
42F7300
17G1500
46G3934
AJEDA00
4016 to 4017 Licensed Internal Code for the tape unit is not correct AJEDA00
9020 I/O processor detected a SCSI bus configuration error
Before exchanging any parts, verify that the following conditions are not
present:
v Tape and DASD devices attached to an I/O Processor that does not
support attachment of both tape and DASD devices at the same time.
v A device type or model that is not given support.
UL2CNFG
46G2227
FI00130
9100 Interface error detected by I/O processor or by tape unit
Before exchanging any parts, do the following:
1. Ensure that the device is powered on.
2. Ensure that the SCSI cable between the device and the I/O Processor or
I/O Adaptor 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.
46G2227
FI00131
46G3934
FI00830
46G2599
17G1500
9200 I/O processor addressed the tape unit; no response
Before exchanging any parts, do the following:
1. Ensure that the device is powered on.
2. Ensure that the SCSI cable between the device and the I/O Processor or
I/O Adaptor is seated correctly, and that there are not bent or damaged
pins on the SCSI cable.
3. Ensure that the terminating plug is attached to the device.
46G2227
46G3934
FI00830
FI00131
46G2599
17G1500
42F7300
9201 Tape unit command timeout
Before exchanging any parts, do the following:
1. Ensure that the device is powered on.
2. Ensure that the SCSI cable between the device and the I/O Processor or
I/O Adaptor is seated correctly, and that there are not bent or damaged
pins on the SCSI cable.
3. Ensure that the terminating plug is attached to the device.
46G2227
46G3934
FI00830
FI00131
46G2599
17G1500
42F7300
7208
Chapter 2. Unit Reference Codes 169
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