IBM 7026-H80 - RS/6000 - 256 MB RAM Service Manual page 220

Service guide
Table of Contents

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Table 5. Firmware Error Codes. (continued)
202
Service Guide
Error Code Description
21E0 0002 SCSI tape - test unit ready failed -
sense data available
21E0 0003 SCSI tape - send diagnostic failed -
sense data available
21E0 0004 SCSI tape - send diagnostic failed -
DevOfl cmd
21ED 0001 SCSI changer - test unit ready failed
- hardware error
21ED 0002 SCSI changer - test unit ready failed
- sense data available
21ED 0003 SCSI changer - send diagnostic
failed - sense data available
21ED 0004 SCSI changer - send diagnostic
failed - DevOfl cmd
21EE 0001 Undetermined SCSI device type -
test unit ready failed - hardware error
Action/
Possible Failing FRU
Before replacing any system
components, refer to the notes in
error code 21A0 0001.
1. Replace the media.
2. Replace the SCSI device.
Before replacing any system
components, refer to the notes in
error code 21A0 0001.
Replace the SCSI device.
Before replacing any system
components, refer to the notes in
error code 21A0 0001.
Replace the SCSI device.
Before replacing any system
components, refer to the notes in
error code 21A0 0001.
1. Replace the SCSI device.
2. Replace the SCSI cable.
3. Replace the SCSI controller.
Before replacing any system
components, refer to the notes in
error code 21A0 0001.
1. Replace the media.
2. Replace the SCSI device.
Before replacing any system
components, refer to the notes in
error code 21A0 0001.
Replace the SCSI device.
Before replacing any system
components, refer to the notes in
error code 21A0 0001.
Replace the SCSI device.
Before replacing any system
components, refer to the notes in
error code 21A0 0001.
1. Replace the SCSI device.
2. Replace the SCSI cable.
3. If the missing SCSI devices are
connected to the same
backplane, replace the SCSI
backplane.
4. Replace the SCSI controller.

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