IBM 8649 Hardware Maintenance Manual - Page 36

System-board, error, Diagnostic, tables

Page 36 highlights

System-board error LEDs The following illustration shows the location of the error LEDs on the system board. You might need to refer to this illustration when solving problems with the server. Fan 1 error LED (D2) Fan 2 error LED (D19) Microprocessor 2 error LED (D32) DIMM 1 error LED (D27) DIMM 2 error LED (D26) DIMM 3 error LED (D29) DIMM 4 error LED (D28) SCSI controller status LED (D45) PCI fan error LED (D55) Center fan error LED (SYSFAN4) Table 3. Error LEDs Error LED Without optional Remote Supervisor Adapter DIMM error (D26, D27, D28, Memory problem (also turns D29) on system error LED on the front bezel) Microprocessor 2 error (D32) Microprocessor 2 problem (also turns on system error LED on the front bezel) Fan error (D2, D19, D55) No function Hard disk error (LEDs on hot-swap hard disk drives) Hot-swap hard disk drive failure With optional Remote Supervisor Adapter Memory problem (also turns on system error LED on the front bezel) Microprocessor 2 problem (also turns on system error LED on the front bezel) Fan failure Hot-swap hard disk drive failure Diagnostic error code tables For descriptions of the error codes that might appear when you run the diagnostic programs, see "Diagnostic error codes" on page 103 Notes: 1. Depending on your server configuration, some of the error codes might not appear when you run the diagnostic programs. 2. If diagnostic error codes appear that are not listed in the tables, make sure that your server has the latest levels of BIOS, Remote Supervisor Adapter, ServeRAID, and diagnostics microcode installed. 26 IBM xSeries 225 Types 8649: Hardware Maintenance Manual and Troubleshooting Guide

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System-board
error
LEDs
The
following
illustration
shows
the
location
of
the
error
LEDs
on
the
system
board.
You
might
need
to
refer
to
this
illustration
when
solving
problems
with
the
server.
DIMM 1 error LED
(D27)
DIMM 2 error LED
(D26)
DIMM 3 error LED
(D29)
DIMM 4 error LED
(D28)
Microprocessor 2
error LED
(D32)
Fan 1
error LED
(D2)
Fan 2
error LED
(D19)
PCI fan error LED
(D55)
SCSI controller
status LED
(D45)
Center fan error
LED (SYSFAN4)
Table
3.
Error
LEDs
Error
LED
Without
optional
Remote
Supervisor
Adapter
With
optional
Remote
Supervisor
Adapter
DIMM
error
(D26,
D27,
D28,
D29)
Memory
problem
(also
turns
on
system
error
LED
on
the
front
bezel)
Memory
problem
(also
turns
on
system
error
LED
on
the
front
bezel)
Microprocessor
2
error
(D32)
Microprocessor
2
problem
(also
turns
on
system
error
LED
on
the
front
bezel)
Microprocessor
2
problem
(also
turns
on
system
error
LED
on
the
front
bezel)
Fan
error
(D2,
D19,
D55)
No
function
Fan
failure
Hard
disk
error
(LEDs
on
hot-swap
hard
disk
drives)
Hot-swap
hard
disk
drive
failure
Hot-swap
hard
disk
drive
failure
Diagnostic
error
code
tables
For
descriptions
of
the
error
codes
that
might
appear
when
you
run
the
diagnostic
programs,
see
“Diagnostic
error
codes”
on
page
103
Notes:
1.
Depending
on
your
server
configuration,
some
of
the
error
codes
might
not
appear
when
you
run
the
diagnostic
programs.
2.
If
diagnostic
error
codes
appear
that
are
not
listed
in
the
tables,
make
sure
that
your
server
has
the
latest
levels
of
BIOS,
Remote
Supervisor
Adapter,
ServeRAID,
and
diagnostics
microcode
installed.
26
IBM
xSeries
225
Types
8649:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide