Lenovo 3823, 3821, 3822, 3719 manual Remind button

vFollow the suggested actions in the order in which they are listed in the Action column until the problem is solved.

vSee Chapter 8, “Parts Listing, TD200x Machine Types 3719, 3821, 3822, and 3823,” on page 237 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

vIf an action step is preceded by “(Trained service technician only),” that step must be performed only by a trained service technician.

Lit EasyLED
diagnostics LED with
the system-error or
information LED also
lit	Description	Action
IMM heartbeat LED	Indicates the status of the boot	If the LED does not begin flashing within 30 seconds
	process of the IMM.	of when the server is connected to power, complete
	When the server is connected to	the following steps:
		1. (Trained service technician only) Use the IMM
	power this LED flashes quickly to
			recovery switch to recover the firmware (see
	indicate that the IMM code is
			Table 10 on page 144).
	loading. When the loading is
		2. (Trained service technician only) Replace the
	complete, the LED stops flashing
			system board.
	briefly and then flashes slowly to
	indicate that the IMM if fully
	operational and you can press the
	power-control button to start the
	server.
PCI slot 1 to PCI slot	An error has occurred on a PCI bus	1.	Check the system-event log for information about
8 error LEDs	or on the system board. An		the error.
	additional LED is lit next to a failing
		2. If you cannot isolate the failing adapter through the
	PCI slot.
			LEDs and the information in the system-event log,
			remove one adapter at a time, and restart the
			server after each adapter is removed.
		3. If the failure remains, go to http://www.lenovo.com/
			support for additional troubleshooting information.
H8 heartbeat LED	Indicates the status of power-on and	1.	If the H8 heartbeat LED is blinking at a 1 Hz rate,
	power-off sequencing.		no action is necessary.
		2. (Trained service technician only) If the H8
			heartbeat LED is not blinking, replace the system
			board.

Remind button

You can use the remind button on the EasyLED panel to put the system-error LED on the operator information panel into Remind mode. When you press the remind button, you acknowledge the error but indicate that you will not take immediate action. The system-error LED flashes while it is in Remind mode and stays in Remind mode until one of the following conditions occurs:

vAll known errors are corrected.

vThe server is restarted.

vA new error occurs, causing the system-error LED to be lit again.

Chapter 5. Diagnostics 87