Table 4. Firmware Error Codes. (continued)
Error Code Description Action/
Possible Failing FRU
21ED 0002 SCSI changer - test unit ready failed - sense
data available
Before replacing any system components, refer
to the notes in error code 21A0 0001.
1. Replace the media.
2. Replace the SCSI device.
21ED 0003 SCSI changer - send diagnostic failed - sense
data available
Before replacing any system components, refer
to the notes in error code 21A0 0001.
Replace the SCSI device.
21ED 0004 SCSI changer - send diagnostic failed - DevOfl
cmd
Before replacing any system components, refer
to the notes in error code 21A0 0001.
Replace the SCSI device.
21EE 0001 Undetermined SCSI device type - test unit
ready failed - hardware error
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.
21EE 0002 Undetermined SCSI device type - test unit
ready failed - sense data available
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.
21EE 0003 Undetermined SCSI device type - send
diagnostic failed - sense data available
Before replacing any system components, refer
to the notes in error code 21A0 0001.
Replace the SCSI device.
21EE 0004 Undetermined SCSI device type - send
diagnostic failed - DevOfl cmd
Before replacing any system components, refer
to the notes in error code 21A0 0001.
Replace the SCSI device.
21F0 0001 SCSI CD-ROM - test unit ready failed -
hardware error
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.
21F0 0002 SCSI CD-ROM - test unit ready failed - sense
data available
Before replacing any system components, refer
to the notes in error code 21A0 0001.
1. Replace the media.
2. Replace the SCSI device.
21F0 0003 SCSI CD-ROM - send diagnostic failed - sense
data available
Before replacing any system components, refer
to the notes in error code 21A0 0001.
Replace the SCSI device.
21F0 0004 SCSI CD-ROM - send diagnostic failed - DevOfl
cmd
Before replacing any system components, refer
to the notes in error code 21A0 0001.
Replace the SCSI device.
Chapter 5. Error Code to FRU Index 239
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