IBM 8649 - Eserver xSeries 225, Maintenance And Troubleshooting Manual, Page: 36 / 194

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.
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IBM xSeries 225 Types 8649: Hardware Maintenance Manual and Troubleshooting Guide