Lenovo 3821, 3822, 3719, 3823 manual Led

Express extender card , if one is installed.

The following illustration shows the LEDs (	and	) on the PCI-X extender card,
if one is installed.

The following table describes the LEDs on the system board and extender card and suggested actions to correct the detected problems.

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

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
DIMM 1 to DIMM 16	A DIMM has failed or is incorrectly	1.	Remove the DIMM that is indicated by a lit error
error LEDs	installed.
			LED.
		2.	Reseat the DIMM.
		3.	Replace the following components one at a time,
			in the order shown, restarting the server each time:
			a. DIMM
			b. (Trained service technician only) System board
CPU 1 error LED	Microprocessor 1 has failed, is	1.	Check the system-event log to determine the
	missing, or has been incorrectly
			reason for the lit LED.
	installed.
		2.	(Trained service technician) Reseat the failing
	Note: (Trained service technician
			microprocessor.
	only) Make sure that the
		3.	Replace the following components one at a time,
	microprocessors are installed in the
	correct sequence; see “Removing a		in the order shown, restarting the server each time:
	microprocessor and heat sink” on		a. (Trained service technician only) Failing
	page 218		microprocessor
			b. (Trained service technician only) System board

136ThinkServer TD200x Types 3719, 3821, 3822, and 3823: Hardware Maintenance Manual