Lenovo 3823, 3821, 3822, 3719 manual Diagnostics

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 A 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 PCI
				adapter and microprocessor
				1. Reinstall the
				microprocessor in socket 1
				and restart the server.
			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 B 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 PCI
				adapter and microprocessor
				2.
			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.

Chapter 5. Diagnostics 47