Table 52. LEDs description (continued)
Scenario
AP0
LED
AP1
LED
Fatal
Error
LED
FPGA
heartbeat
LED
note
XCC
heartbeat
LED
note
Actions
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
297
.
Liquid detection sensor LED
This topic provides information about the LED on the liquid cooling leak detection module.
The liquid detection sensor module on the LACM comes with one LED. The following illustration shows the
LED on the module.
Figure 218. Leak detection LED
The following table describes the status that are indicated by LACM LED.
Chapter 8. Problem determination 313
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