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Table 2. Numeric error codes (continued)
Symptom or error
FRU or action, in sequence
1802
Unauthorized network card is plugged in—Turn off and
remove the miniPCI network card.
1. Remove Mini PCI network card.
2. System board
1820
More than one external ngerprint reader is attached.
Power off and remove all but the reader that you set up
within your main operating system.
Remove all but the reader that you set up for the
authentication.
2000
Hard Drive Active Protection sensor diagnostics failed.
Press <Esc> to continue. Press <F1> to enter SETUP
1. Undock docking station or port replicator if it is
attached to the ThinkPad Notebook.
2. Place the Notebook on a horizontal surface. Do not
apply any physical shock to the computer.
3. Run Diagnostics ➙ ThinkPad Devices ➙ HDD
Active Protection Test.
2100
Detection error on HDD0 (Main HDD)
1. Reseat the hard disk drive.
2. Main hard disk drive
3. System board
2101
Detection error on HDD1 (Ultrabay HDD)
1. Reseat the hard disk drive.
2. Ultrabay hard disk drive
3. System board
2102
Detection error on HDD2 (Mini SATA)
1. Reseat the Mini SATA device.
2. Mini SATA device
3. System board
2110
Read error on HDD0 (Main HDD)
1. Reseat the hard disk drive.
2. Main hard disk drive
3. System board
2111
Read error on HDD1 (Ultrabay HDD)
1. Reseat the hard disk drive.
2. Ultrabay hard disk drive
3. System board
2112
Read error on HDD2 (Mini SATA)
1. Reseat the Mini SATA device.
2. Mini SATA device
3. System board
2200
Machine Type and Serial Number are invalid.
System board
2201
Machine UUID is invalid.
System board
Error messages
Table 3. Error messages
Symptom or error
FRU or action, in sequence
Fan error. 1. Fan
2. Thermal grease
3. System board
Thermal sensing error.
System board
Chapter 4. Related service information 41