Table 4. Firmware Error Codes. (continued)
Error Code Description
Action/
Possible Failing FRU
21A0 0001
Description:
SCSI DASD - test unit ready failed - hardware error
Action:
Note:
1. Before replacing any system components:
a. Ensure that the controller and each device on the SCSI bus is assigned a unique SCSI
ID.
b. Ensure SCSI bus is properly terminated.
c. Ensure SCSI signal and power cables are securely connected and not damaged.
2. The location code information is required to identify the ID of SCSI device failures as well as
to indicate the location of the controller to which the device is attached. Check the system
error logs to determine the location code information associated with the error code.
a. Replace the SCSI device.
b. Replace the SCSI cable.
c. Replace the SCSI controller.
21A0 0002 SCSI DASD - 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.
21A0 0003 SCSI DASD - send diagnostic failed - sense
data available
Before replacing any system components, refer
to the notes in error code 21A0 0001.
Replace the SCSI device.
21A0 0004 SCSI DASD - send diagnostic failed - DevOfl
cmd
Before replacing any system components, refer
to the notes in error code 21A0 0001.
Replace the SCSI device.
21E0 0001 SCSI tape - 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.
21E0 0002 SCSI tape - 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.
21E0 0003 SCSI tape - send diagnostic failed - sense data
available
Before replacing any system components, refer
to the notes in error code 21A0 0001.
Replace the SCSI device.
21E0 0004 SCSI tape - send diagnostic failed - DevOfl
cmd
Before replacing any system components, refer
to the notes in error code 21A0 0001.
Replace the SCSI device.
21ED 0001 SCSI changer - 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.
238
Eserver
pSeries 630 Model 6C4 and Model 6E4 Service Guide
Summary of Contents for @Server pSeries 630 6C4
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