IBM RS6000 Service Guide - Page 269
Table, A-1 of 9. Service Request Numbers
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Table A-1 (Page 2 of 9). Service Request Numbers SRN FRU List % 2A002 Disk drive module 50 SSA adapter card 50 2A003 Disk drive module 50 SSA adapter card 50 2A004 Disk drive module 50 SSA adapter card 50 2A005 Backplane - Problem 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. 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. 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. 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 (see "Link Verification Service Aid" on page 3-73) 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