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Table 12. LEDs description (continued)
Scenario
XCC firmware recoverable error
XCC firmware is recovered from
error
UEFI firmware authentication
failure
UEFI firmware is recovered from
authentication failure
System is OK
Note: For locations of the XCC heartbeat LED, see
System-board LEDs
The following illustrations show the light-emitting diodes (LEDs) on the system board.
Press the power button to light the LEDs on the system board when the power source has been removed
from the server.
Fatal
Error
AP0 LED
AP1 LED
LED
Blink
N/A
Off
On
N/A
Off
N/A
Blink
Off
N/A
On
Off
On
On
Off
"System-board LEDs" on page
XCC
heart-
beat
note
LED
Actions
N/A
N/A
Information only. No action is
N/A
required.
N/A
On
35.
.
Chapter 2
Hardware components
35
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Troubleshooting
