Table 5-1 (Page 2 of 8). Service Request Numbers
SRN FRU List % Problem
2A003 Disk drive module (See “Hot
Swap Disk Drives” on
page 7-10.)
SSA adapter card (See the
installation and service guide
for the using system.)
50
50
Description: Async code 03 has been
received. A software error has probably
occurred.
Action: Go to “Software and Microcode
Errors” on page 5-2 before exchanging
any FRUs.
2A004 Disk drive module (See “Hot
Swap Disk Drives” on
page 7-10.)
SSA adapter card (See the
installation and service guide
for the using system.)
50
50
Description: Async code 04 has been
received. A software error has probably
occurred.
Action: Go to “Software and Microcode
Errors” on page 5-2 before exchanging
any FRUs.
2A005 Backplane (See “SCSI or
SSA Backplane” on
page 7-49.)
– Description: Async code 05 has been
received. This code indicates that a disk
drive module has detected a loss of
power.
Action: Use the Link Verification Service
Aid to determine if any devices are
missing from the SSA link.
If a device is missing, go to “SSA
Maintenance Analysis Procedures
(MAPs)” on page 2-43 to isolate the
problem.
If no device is missing, the problem
might have been caused by a tempo-
rary, or partial, loss of power to the
SP.
2A006 Disk drive module (See “Hot
Swap Disk Drives” on
page 7-10.)
Backplane (See “SCSI or
SSA Backplane” on
page 7-49.)
70
30
Description: Async code 06 has been
received. This code indicates that a disk
drive module has detected the loss of one
of its power inputs.
Action:
If the failing device is an SP, go to
“SSA Maintenance Analysis Proce-
dures (MAPs)” on page 2-43,
exchange the disk drive module.
If the failing device is not an SP, go to
the service information for that device.
5-4 RS/6000 Enterprise Server Model H50 Installation and Service Guide
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