Table 15. LEDs description (continued)
Scenario
AP0
LED
AP1
LED
Fatal
Error
LED
FPGA
heartbeat
LED
note
XCC
heartbeat
LED
note
Actions
No system power
(FPGA heartbeat
LED off)
Off Off Off Off Off If the AC power is on, but the
system board assembly does
not have power, then:
1. Check the power supply
unit (PSU) or power
interposer board (PIB) if
any. If the PSU or PIB has
any error, replace it.
2. If the PSU or PIB is good,
do the following:
a. Replace the system I/O
board.
b. Replace the processor
board.
XCC firmware
recoverable error
Blink
N/A Off N/A N/A Information only. No action is
required.
XCC firmware is
recovered from
error
Blink
N/A Off N/A N/A Information only. No action is
required.
UEFI firmware
authentication
failure
N/A
Blink
Off N/A N/A Information only. No action is
required.
UEFI firmware is
recovered from
authentication
failure
N/A On Off N/A N/A Information only. No action is
required.
System is OK
(FPGA heartbeat
LED is On)
On On Off On On Information only. No action is
required.
Note: For locations of the FPGA LED and XCC heartbeat LED, see
“System-board-assembly LEDs” on page
36
.
Chapter 2. Server components 39
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