Lenovo ThinkSystem SR635 V3 User Manual page 322

Figure 217. LEDs on the firmware and RoT security module
AP0 LED (Green)
1
Table 52. LEDs description
AP0
Scenario
LED
RoT security Off
module fatal
firmware failure
Blink
Blink
No system power
Off
(FPGA heartbeat
LED off)
XCC firmware Blink
recoverable error
XCC firmware is Blink
recovered from
error
UEFI firmware
N/A
authentication
failure
ThinkSystem SR635 V3 User Guide
312
AP1 LED (Green)
2
Fatal FPGA
AP1
Error heartbeat
LED
LED LED
Off On N/A
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
Fatal Error LED (Amber)
3
XCC
heartbeat
note note
LED
N/A
N/A
N/A
Off
N/A
N/A
N/A
Actions
Replace the firmware and RoT
security module.
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.