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problems using these LEDs.
Light path diagnostics
The System Error LED on the operator information panel is lit when certain system
errors occur. If the System Error LED on the server is lit, see the table in
"Information panel system error LED" on page 85 to determine the cause of the
error and the action you should take.
POST
When you turn on the server, it performs a series of tests to check the operation of
server components and some of the options installed in the server. This series of
tests is called the power-on self-test, or POST.
If POST finishes without detecting any problems, a single beep sounds and the first
screen of the operating system or application program appears.
If POST detects a problem, more than one beep sounds and an error message
appears on the screen. See "Beep symptoms" on page 83 and "POST error
messages" for more information.
Notes:
1. If you have a power-on password or administrator password set (with Remote
2. A single problem might cause several error messages. When this occurs, work
POST error messages
The table "POST error codes" on page 93 provides information about the POST
error messages that can appear during startup.
Error logs
The POST error log contains the three most recent error codes and messages that
the system generated during POST. The system error log contains all messages
issued during POST and system status messages from the integrated system
management processor.
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Hardware Maintenance Manual: xSeries 342 Type 8669
MEM
PS1
CPU
PS2
PCI A
PS3
PCI B
NON
PCI C
OVER
VRM
NMI
DASD
TEMP
SP
FAN
REMIND
Supervisor Adapter installed), you must type the password and press Enter,
when prompted, before POST will continue.
to correct the cause of the first error message. After you correct the cause of
the first error message, the other error messages usually will not occur the next
time you run the test.
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Table of Contents
Troubleshooting
