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Figure 87. Light path diagnostics panel
Note any LEDs that are lit, and then reinstall the light path diagnostics panel in the server.
•
Remind button:
Press this button to place the system-error LED/check log LED on the front
information panel into Remind mode. By placing the system-error LED indicator in Remind mode,
you acknowledge that you are aware of the last failure but will not take immediate action to correct
the problem. In Remind mode, the system-error LED flashes every 2 seconds until one of the
following conditions occurs:
– All known errors are corrected.
– The server is restarted.
– A new error occurs, causing the system-error LED to be lit again.
•
Reset button:
Press this button to reset the server and run the power-on self-test (POST). You might
have to use a pen or the end of a straightened paper clip to press the button. The Reset button is in
the lower-right corner of the light path diagnostics panel.
The system service label inside the server cover provides an overview of internal components that
correspond to the LEDs on the light path diagnostics panel. This information and the information in
“Light path diagnostics LEDs” on page 124 can often provide enough information to diagnose the error.
3. Remove the server cover and look inside the server for lit LEDs. Certain components inside the server
have LEDs that are lit to indicate the location of a problem.
Note:
You do not have to remove the server cover to view the LEDs on hard disk drives and power
supplies.
The following illustration shows the LEDs on the system board.
123
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