Table A-1 (Page 2 of 9). Service Request Numbers
SRN FRU List % Problem
2A002 Disk drive module
SSA adapter card
50
50
Description: Async code 02 has been
received. A software error has probably
occurred.
Action: Go to “Software and Microcode
Errors” on page A-5 before exchanging
any FRUs.
2A003 Disk drive module
SSA adapter card
50
50
Description: Async code 03 has been
received. A software error has probably
occurred.
Action: Go to “Software and Microcode
Errors” on page A-5 before exchanging
any FRUs.
2A004 Disk drive module
SSA adapter card
50
50
Description: Async code 04 has been
received. A software error has probably
occurred.
Action: Go to “Software and Microcode
Errors” on page A-5 before exchanging
any FRUs.
2A005 Backplane – 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 2-35 to isolate the
problem.
If no device is missing, the problem
might have been caused by a
temporary, or partial, loss of power to
the SSA Hot-Swap Disk Drive.
Appendix A. SSA Problem Determination Procedures A-7
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