Table 3-1 (Page 5 of 24). Firmware Error Codes.
Error Code Description Action / Possible Failing FRU
20EE000B The system was not able to find an
operating system on the device list that
was attempted.
Modify the Boot Sequence (also known
as boot list) to include devices that are
known to contain a copy of the
Operating System. This can be
accomplished by using the System
Management Services Menus. For
example, select a hard disk known to
have a copy of the Operating System
as the first and only device in the boot
sequence (boot list) and attempt to
x boot again. If the failure persists,
x replace:
x 1. The failing boot device
x 2. The SCSI backplane.
21A000xxx SCSI Device Errors Notes:
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.
21A00001 Test Unit Ready Failed - hardware
error.
Refer to the notes in error code
21A000xxx.
1. Replace the SCSI device.
2. Replace the SCSI cable.
3. Replace the SCSI controller.
21A00002 Test Unit Ready Failed - sense data
available.
Refer to the notes in error code
21A000xxx.
1. Replace the Media (Removable
media devices).
2. Replace the SCSI device.
21A00003 Send Diagnostic Failed. Refer to the notes in error code
21A000xxx.
Replace the SCSI device.
3-6 Service Guide
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