Lenovo 3719, 3821, 3822, 3823 manual

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.

Sensor CPU nOverTemp has	Error	A sensor has changed to	1. Make sure that the fans are
transitioned to non-recoverable from		Nonrecoverable state from a
				operating, that there are no
a less severe state.		less severe state.
				obstructions to the airflow,
(n = microprocessor number)
				that the air baffle is in place
				and correctly installed, and
				that the server cover is
				installed and completely
				closed.
			2. Make sure that the heat sink
				for microprocessor n is
				installed correctly.
			3.	(Trained service technician
				only) Replace microprocessor
				n.
			(n = microprocessor number)
Sensor CPU nOverTemp has	Error	A sensor has changed to	1. Make sure that the fans are
transitioned to critical from a		Critical state from
				operating, that there are no
non-recoverable state.		Nonrecoverable state.
				obstructions to the airflow,
(n = microprocessor number)
				that the air baffle is in place
				and correctly installed, and
				that the server cover is
				installed and completely
				closed.
			2. Make sure that the heat sink
				for microprocessor nis
				installed correctly.
			3.	(Trained service technician
				only) Replace microprocessor
				n.
			(n = microprocessor number)
Sensor CPU nOverTemp has	Error	A sensor has changed to	1. Make sure that the fans are
transitioned to non-recoverable.		Nonrecoverable state.
				operating, that there are no
(n = microprocessor number)
				obstructions to the airflow,
				that the air baffle is in place
				and correctly installed, and
				that the server cover is
				installed and completely
				closed.
			2. Make sure that the heat sink
				for microprocessor nis
				installed correctly.
			3.	(Trained service technician
				only) Replace microprocessor
				n.
			(n = microprocessor number)

42ThinkServer TD200x Types 3719, 3821, 3822, and 3823: Hardware Maintenance Manual