IBM 7026-H80 - RS/6000 - 256 MB RAM Service Manual page 221

Service guide
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Table 5. Firmware Error Codes. (continued)
Error Code Description
21EE 0002 Undetermined SCSI device type -
test unit ready failed - sense data
available
21EE 0003 Undetermined SCSI device type -
send diagnostic failed - sense data
available
21EE 0004 Undetermined SCSI device type -
send diagnostic failed - DevOfl cmd
21F0 0001 SCSI CD-ROM - test unit ready failed
- hardware error
21F0 0002 SCSI CD-ROM - test unit ready failed
- sense data available
21F0 0003 SCSI CD-ROM - send diagnostic
failed - sense data available
21F0 0004 SCSI CD-ROM - send diagnostic
failed - DevOfl cmd
21F2 0001 SCSI read/write optical - test unit
ready failed - hardware error
21F2 0002 SCSI read/write optical - test unit
ready failed - sense data available
Action/
Possible Failing FRU
Before replacing any system
components, refer to the notes in
error code 21A0 0001.
1. Replace the media (removable
media devices).
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. 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.
Chapter 5. Error Code to FRU Index
203

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