Lenovo 3823, 3821, 3822, 3719 manual Levels or coordinated code

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.

Numeric sensor Planar VBAT going	Error	A lower critical sensor going	Replace the 3 V battery.
low (lower critical) has asserted.		low has asserted.
Numeric sensor Fan n Tach going	Error	A lower critical sensor going	1. Reseat the failing fan n, which
low (lower critical) has asserted.		low has asserted.
				is indicated by a lit LED on
(n = fan number)
				the fan.
			2. Replace the failing fan.
			(n = fan number)
The Processor CPU nStatus has	Error	A processor failed - IERR	1. Make sure that the latest
Failed with IERR.		condition has occurred.
				levels of firmware and device
(n = microprocessor number)
				drivers are installed for all
				adapters and standard
				devices, such as Ethernet,
				SCSI, and SAS.
				Important: Some cluster
				solutions require specific code
				levels or coordinated code
				updates. If the device is part
				of a cluster solution, verify
				that the latest level of code is
				supported for the cluster
				solution before you update
				the code.
			2. Run the DSA program for the
				hard disk drives and other I/O
				devices.
			3.	(Trained service technician
				only) Replace microprocessor
				n.
			(n = microprocessor number)
An Over-Temperature Condition has	Error	An overtemperature	1. Make sure that the fans are
been detected on the Processor CPU		condition has occurred for
				operating, that there are no
nStatus.		microprocessor n.
				obstructions to the airflow,
(n = microprocessor number)		(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)

Chapter 5. Diagnostics 39