Table 5-1 (Page 4 of 8). Service Request Numbers
SRN FRU List % Problem
303FF Disk drive module (See “Hot
Swap Disk Drives” on
page 7-10.)
100 Description: A SCSI status that is not
valid has been received.
Action: Go to “Software and Microcode
Errors” on page 5-2 before exchanging
any FRUs.
40000 SSA adapter card (See the
installation and service guide
for the using system.)
100 Description: The SSA adapter card has
failed.
Action: Exchange the FRU for a new
FRU.
43PAA 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.)
90
10
Description: An SSA device on the link is
preventing the completion of the link con-
figuration.
Action: If the SSA service aids are avail-
able, run the Link Verification Service Aid
to determine which device is preventing
configuration. (That device is the one
beyond the last-configured device on an
open SSA link.)
44PAA Disk drive module (See “Hot
Swap Disk Drives” on
page 7-10.)
100 Description: A disk drive module has
failed.
Action: If the SSA service aids are avail-
able, run the Link Verification Service Aid
to find the failing disk drive module.
Before you exchange the failing disk drive
module, run diagnostics in the system ver-
ification mode to the module to determine
the cause of the problem.
45PAA Disk drive module (See “Hot
Swap Disk Drives” on
page 7-10.)
External SSA Cables
Backplane assembly (See
“SCSI or SSA Backplane” on
page 7-49.)
40
40
20
Description: The SSA adapter has
detected an open SSA link. This problem
is caused either by a disk drive module
that is failing, or by a disk drive module
that has been switched off from another
using system on the same SSA link.
(That using system has itself been
switched off.)
Action: If the SSA service aids are avail-
able, run the Link Verification Service Aid
to determine which device is preventing
configuration. (That device is the one
beyond the last-configured device on an
open SSA link.)
48000 None – Description: The SSA adapter has
detected a link configuration resource that
is not valid.
Action: See “SSA Loop Configurations
That Are Not Valid” on page 5-11.
5-6 RS/6000 Enterprise Server Model H50 Installation and Service Guide
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