Lenovo 3821, 3822, 3719, 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 Pwr Rail C Fault has	Error	A sensor has changed to	1.	Turn off the server and
transitioned to non-recoverable.		Nonrecoverable state.
				disconnect it from power.
			2.	Remove the hard disk drives,
				hard disk drive backplanes,
				and DIMMs in connectors 1
				through 8.
			3.	Restart the server.
			4.	Reinstall each device, one at
				a time, starting the server
				each time to isolate the failing
				device.
			5.	Replace the failing device.
			6.	(Trained service technician
				only) Replace the system
				board.
Sensor Pwr Rail D Fault has	Error	A sensor has changed to	1.	Turn off the server and
transitioned to non-recoverable.		Nonrecoverable state.
				disconnect it from power.
			2.	Remove the optical drive and
				the DIMMs in connectors 9
				through 16.
			3.	Restart the server.
			4.	Reinstall the microprocessor
				in socket 1 and restart the
				server.
			5.	(Trained service technician
				only) Replace the failing
				microprocessor.
			6.	(Trained service technician
				only) Replace the system
				board.
Sensor Pwr Rail E Fault has	Error	A sensor has changed to	1.	Turn off the server and
transitioned to non-recoverable.		Nonrecoverable state.
				disconnect it from power.
			2.	(Trained service technician
				only) Remove the optical
				drive and the PCI adapter.
			3.	Restart the server.
			4.	Reinstall each device, one at
				a time, starting the server
				each time to isolate the failing
				device.
			5.	Replace the failing device.
			6.	(Trained service technician
				only) Replace the system
				board.

48ThinkServer TD200x Types 3719, 3821, 3822, and 3823: Hardware Maintenance Manual