Table 16. System-board-assembly LEDs
LED
Description
Action
1 System error LED
(yellow)
LED on: an error has been
detected on the server. Causes
might include one or more of the
following errors:
• The temperature of the server
reached the non-critical
temperature threshold.
• The voltage of the server
reached the non-critical
voltage threshold.
• A fan has been detected to be
running at low speed.
• The power supply has a critical
error.
• The power supply is not
connected to the power.
Check system logs or internal error LEDs to identify the
failed part.
2 System ID LED
(blue)
This LED helps you to visually
locate the server.
A system ID button with LED is also located on the front
of the server. You can press the system ID button to turn
on/off or blink the front and rear ID LEDs.
Chapter 2. Server components 43
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