Lenovo ThinkServer RD240 Hardware Maintenance Manual - Page 37

System event log, Diagnostic LEDs on the front control panel, Onboard debug digitron

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Table 3. Methods for viewing event logs Condition Action The server is not hung and is connected to a network. Use IPMItool to view the system-event log. The server is not hung and is not connected to a network. Use IPMItool locally to view the system-event log. The server is hung. You can restart the server and press Del to start the Setup Utility program and view the system-event log. System event log The system-event log contains messages of three types: Information Warning Error Information messages do not require action; they record significant system-level events, such as when the server is started. Warning messages do not require immediate action; they indicate possible problems, such as when the recommended maximum ambient temperature is exceeded. Error messages might require action; they indicate system errors, such as when a fan is not detected. Each message contains date and time information, and it indicates the source of the message (POST). Diagnostic LEDs on the front control panel Identifying the diagnostic LEDs on the front control panel is a very important method for diagnosing server problems. See "Front control panel" on page 28 for detailed information. Onboard debug digitron The onboard debug digitron helps trained service technicians to identify server problems. When you turn on the server, the onboard debug digitron will display debug code on the screen. Chapter 5. Diagnostics 25

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Table 3. Methods for viewing event logs
Condition
Action
The server is not hung and is connected to a network.
Use IPMItool to view the system-event log.
The server is not hung and is not connected to a network.
Use IPMItool locally to view the system-event log.
The server is hung.
You can restart the server and press Del to start the Setup
Utility program and view the system-event log.
System event log
The system-event log contains messages of three types:
Information
Information messages do not require action; they
record significant system-level events, such as
when the server is started.
Warning
Warning messages do not require immediate action;
they indicate possible problems, such as when the
recommended maximum ambient temperature is
exceeded.
Error
Error messages might require action; they indicate
system errors, such as when a fan is not detected.
Each message contains date and time information, and it indicates the source of the message (POST).
Diagnostic LEDs on the front control panel
Identifying the diagnostic LEDs on the front control panel is a very important method for diagnosing server
problems. See “Front control panel” on page 28 for detailed information.
Onboard debug digitron
The onboard debug digitron helps trained service technicians to identify server problems. When you turn on
the server, the onboard debug digitron will display debug code on the screen.
Chapter 5
.
Diagnostics
25