Table 20. LEDs description
Scenario
AP0
LED
AP1
LED
Fatal
Error
LED
FPGA
heart-
beat
LED
note
XCC
heart-
beat
LED
note
Actions
RoT security module fatal
firmware failure
Off Off On N/A N/A
Replace the Firmware and
RoT Security Module.
Blink N/A On N/A N/A Replace the Firmware and
RoT Security Module.
Blink
N/A On On N/A
Replace the Firmware and
RoT Security Module.
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), power
interposer board (PIB), or
power distribution board
(PDB). If the PSU, PIB, or
PDB has any error,
replace it.
2. If the PSU, PIB, or PDB is
good, do the following:
a. Replace the system I/
O board.
b. Replace the lower
processor board (MB).
c. Replace the upper
processor board (CPU
BD).
XCC firmware recoverable
error
Blink N/A Off N/A N/A Information only. No action is
required.
XCC firmware is recovered
from error
On 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
“Lower processor board (MB) LEDs” on
page 35
and “System I/O board LEDs” on page 33.
XCC system management port LEDs
This topic provides information on LEDs of XCC system management port.
The following table describes the problems that are indicated by LEDs on XCC system management port.
Chapter 2. Server components 37
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