IBM eServer 240 xSeries User Reference Manual page 164

Table 15 (Page 1 of 4). Light path diagnostics
System Error
LED (operator Lit LED on
information diagnostic LED
panel) panel
On None
A system error
was detected.
Check to see
which of the
LEDs on the
diagnostic LED
panel inside the CPU
server are on.
VRM
MEMORY
154
IBM xSeries User's Reference
Cause
The system error log is 75% or more
full or a PFA alert was logged.
One of the microprocessors has failed
or a microprocessor is installed in the
wrong connector.
One of the voltage regulator modules
on the processor board has failed.
A memory error occurred.
Action
Check the system error log and correct
any problems. See "POST Error Log"
on page 29 for information about
clearing the error log. Disconnecting
the server from all power sources for at
least 20 seconds will turn off the
System Error LED.
1. Check the Microprocessor Error
LEDs on the processor board.
2. Turn off the server, reseat the
microprocessor indicated by the lit
Microprocessor Error LED, and
restart the server.
3. If the problem persists, replace the
microprocessor.
If the problem persists, have the
system serviced.
1. Check the VRM Error LEDs on the
processor board.
2. Turn off the server, reseat the VRM
indicated by the lit VRM Error LED,
and restart the server.
3. If the problem persists, replace the
VRM.
If the problem persists, have the
system serviced.
1. Check the DIMM Error LEDs on the
processor board.
2. Replace the DIMM indicated by the
lit DIMM Error LED.