General Problem Determination Procedures - Lenovo ThinkSystem SR655 V3 User Manual

Table 15. LEDs description (continued)
AP0
Scenario
LED
Blink
Blink
No system power Off
(FPGA heartbeat
LED off)
Blink
XCC firmware
recoverable error
Blink
XCC firmware is
recovered from
error
UEFI firmware N/A
authentication
failure
UEFI firmware is N/A
recovered from
authentication
failure
System is OK On
(FPGA heartbeat
LED is On)
Note: For locations of the FPGA LED and XCC heartbeat LED, see
209.

General problem determination procedures

Use the information in this section to resolve problems if the event log does not contain specific errors or the
server is inoperative.
If you are not sure about the cause of a problem and the power supplies are working correctly, complete the
following steps to attempt to resolve the problem:
1. Power off the server.
2. Make sure that the server is cabled correctly.
ThinkSystem SR655 V3 User Guide
212
Fatal FPGA
AP1
Error heartbeat
LED
LED LED
N/A On N/A
N/A On On
Off Off Off
N/A Off N/A
N/A Off N/A
Blink Off N/A
On Off N/A
On Off On
XCC
heartbeat
note note
LED
N/A
N/A
Off
N/A
N/A
N/A
N/A
On
"System-board-assembly LEDs" on page
Actions
Replace the firmware and RoT
security module.
Replace the firmware and RoT
security module.
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.
Information only. No action is
required.
Information only. No action is
required.
Information only. No action is
required.
Information only. No action is
required.
Information only. No action is
required.