Firmware and RoT security module LEDs

The following illustration shows the light-emitting diodes (LEDs) on the Firmware and RoT security module.

Figure 1. LEDs on the firmware and RoT security module

1 BMC LED (Green) 2 UEFI LED (Green)

Table 1. LEDs description
Scenario	BMC LED	UEFI LED	Fatal Error LED	XCC heartbeat LED^note	Actions
RoT security module fatal firmware failure	Off	Off	On	N/A	Replace the firmware and RoT security module.
	Blink	N/A	On	N/A
	Blink	N/A	On	N/A
No system power	Off	Off	Off	Off	If the AC power is on, but the system board does not have power, then: Check the power supply unit (PSU) or chassis midplane. If the PSU or chassis midplane has any error, replace it. If there is no problem with the PSU or chassis midplane, replace the system board.
XCC firmware recoverable error	Blink	N/A	Off	N/A	Information only. No action is required.
XCC firmware is recovered from error	On	N/A	Off	N/A
UEFI firmware authentication failure	N/A	Blink	Off	N/A
UEFI firmware is recovered from authentication failure	N/A	On	Off	N/A
System is OK	On	On	Off	On

Note

For XCC heartbeat LED location, see System-board LEDs.

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