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.

Error code	Description	Action
3818001	Core Root of Trust Measurement (CRTM)	1.	Run the Setup utility, select Load Default
	update failed
			Settings, and save the settings.
		2.	(Trained service technician only) Replace the
			system board.
3818002	Core Root of Trust Measurement (CRTM)	1.	Run the Setup utility, select Load Default
	update aborted
			Settings, and save the settings.
		2.	(Trained service technician only) Replace the
			system board.
3818003	Core Root of Trust Measurement (CRTM)	1.	Run the Setup utility, select Load Default
	flash lock failed
			Settings, and save the settings.
		2.	(Trained service technician only) Replace the
			system board.
3818004	Core Root of Trust Measurement (CRTM)	1.	Run the Setup utility, select Load Default
	system error
			Settings, and save the settings.
		2.	(Trained service technician only) Replace the
			system board.
3818005	Current Bank Core Root of Trust	1.	Run the Setup utility, select Load Default
	Measurement (CRTM) capsule signature
			Settings, and save the settings.
	invalid
		2.	(Trained service technician only) Replace the
			system board.
3818006	Opposite bank CRTM capsule signature	1.	Switch the firmware bank to the backup bank.
	invalid
		2.	Run the Setup utility, select Load Default
			Settings, and save the settings.
		3.	Switch the bank back to the current bank.
		4.	(Trained service technician only) Replace the
			system board.
3818007	CRTM update capsule signature invalid	1.	Run the Setup utility, select Load Default
			Settings, and save the settings.
		2.	(Trained service technician only) Replace the
			system board.

Chapter 5. Diagnostics 37