Lenovo 3822, 3821, 3719, 3823 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 F 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
				and the hard disk drive
				backplanes.
			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 PS n Therm Fault has	Error	A sensor has changed to	1.	Make sure that there are no
transitioned to critical from a less		Critical state from a less
				obstructions, such as bundled
severe state.		severe state.
				cables, to the airflow from the
(n = power supply number)
				power-supply fan.
			2.	Replace power supply n.
			(n = power supply number)
Sensor PSn 12V OV Fault has	Error	A sensor has changed to	1.	Check the power-supply LED
transitioned to non-recoverable.		Nonrecoverable state.
				on the EasyLED panel (see
(n = power supply number)
				“EasyLED diagnostics” on
				page 76).
			2.	Remove the power supplies.
			3.	Replace power supply n.
			4.	(Trained service technician
				only) Replace the system
				board.
			(n = power supply number)
Sensor PSn 12V UV Fault has	Error	A sensor has changed to	1.	Check the power-supply LED
transitioned to non-recoverable.		Nonrecoverable state.
				on the EasyLED panel (see
				“EasyLED diagnostics” on
				page 76).
			2.	Remove the power supplies.
			3.	Replace power supply n.
			4.	(Trained service technician
				only) Replace the system
				board.
			(n = power supply number)

Chapter 5. Diagnostics 49