IBM R400 Remove the Wireless USB card that you, Remove all but the reader that you set up, 2000

Table 1. Numeric error codes (continued)

Symptom or error	FRU or action, in sequence
1804	1.	Remove the WAN card that you
Unauthorized WAN card is plugged		installed.
in—Power off and remove the WAN card.	2.	System board.
1805	1.	Remove the Wireless USB card that you
Unauthorized Wireless USB card is plugged		installed.
in—Power off and remove the Wireless USB	2.	System board.
card.
1820	Remove all but the reader that you set up
More than one external fingerprint reader is	for the authentication.
attached. Power off and remove all but the
reader that you set up within your main
operating system.
1830	Install DIMM in Slot-0, but not in Slot-1.
Invalid memory configuration—Power off	Note: For the construction of the DIMM
and install a memory module to Slot-0 or	slot, see “1050 DIMM” on page 72.
the lower slot.
2000	1.	Undock docking station or port
Hard Drive Active Protection sensor		replicator if it is attached to the
diagnostics failed.Press <Esc> to		ThinkPad computer.
continue.Press <F1> to enter SETUP	2.	Place the ThinkPad computer on a
		horizontal surface. Do not apply any
		physical shock to the computer.
	3.	Run Diagnostics -->ThinkPad Devices
		-->HDD Active Protection Test.
2010	Inform the following information to the
Warning: Your internal hard disk drive	customer: If in the primary bay the customer
(HDD) may not function correctly on this	is using a non-IBM or non-Lenovo hard disk
system. Ensure that your HDD is supported	drive (HDD), or an old generation IBM
on this system and that the latest HDD	HDD which is not supported by this system,
firmware is installed.	with the risk in mind, the customer can still
	use it by pressing ESC. If in the primary
	drive bay the customer is using a supported
	IBM/Lenovo HDD with an old firmware,
	the customer needs to update its firmware to
	the latest. The latest version is available at
	http://www.lenovo.com/support
2100	1.	Reseat the hard disk drive.
Initialization error on HDD0 (Main hard	2.	Main hard disk drive.
disk drive)	3.	System board.
2102	1.	Reseat the hard disk drive.
Initialization error on HDD1 (Ultrabay hard	2.	Ultrabay™ hard disk drive.
disk drive)	3.	System board.
2110	1.	Reseat the hard disk drive.
Read error on HDD0 (Main hard disk drive)	2.	Main hard disk drive.
	3.	System board.
2112	1.	Reseat the hard disk drive.
Read error on HDD1 (Ultrabay hard disk	2.	Ultrabay hard disk drive.
drive)	3.	System board.

42ThinkPad T400 and R400Hardware Maintenance Manual