User's Guide

4. Names and Functions of Parts
Chapter 1 General Description
4.7
Status Indicators
This section explains the indication and meanings of the server LEDs.
4.7.1
Power LED ( )
The power LED lights green when the server is on. The light turns off when power is not being supplied to
the server.
4.7.2
Status LED ( )
While hardware is operating normally, the status LED lights green. The status LED is off or lights/flashes
amber if there is a problem with hardware.
The following table lists status LED patterns, their explanation and solution.
Tips
Once you have installed ESMPRO, you can reference error logs to check the
causes of failures.
Shutdown and reboot the OS. If shutdown processing cannot be performed, restart
the system by resetting the system, forcibly turning the power off or disconnecting
and then connecting the power cord.
Status LED pattern Explanation Solution
On (green) Normal state −
Memory is in a degraded state
An uncorrectable memory error has often occurred.
Flashing (green) Identify the device in degraded state by using the BIOS
setup utility SETUP, and replace it as soon as possible.
Operating while CPU error is detected.
The power is off. Turn on the server. Off
Wait for a while. The STATUS LED will turn green after
POST completes.
POST is in progress.
A CPU error occurred.
Abnormal CPU temperature is detected.
Watchdog timer expired.
An uncorrectable error in memory is detected.
Turn the power off and then turn it on. If the POST
screen displays any error message, take notes of the
message, and contact your maintenance service
company.
A PCI system error occurred
A PCI parity error occurred
A PCI bus error occurred.
Memory dump is being requested.
(e.g. when DUMP switch NMI is pressed)
Wait until the memory dump is completed.
Note It remains green if the dump is
caused by
software.
Check the internal fan for dusts. Also check if the fan
unit is properly connected.
If the LED indication does not change when the fans
are normal, contact your maintenance service
company.
A temperature alarm was detected.
On (amber)
A voltage alarm was detected.
Contact your maintenance service company.
A CPU temperature alarm was detected.
SMI timeout is detected
Express5800/R110d-1E, E110d-1 User’s Guide
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