Table 2. Numeric error codes (continued)
Symptom or error
FRU or action, in sequence
0270
Real Time Clock Error— System Real Time Clock is not
functional.
Have the computer serviced.
0271
Check Date and Time settings— Neither the date nor the
time is set in the computer.
Set the date and time, using ThinkPad Setup.
1802
Unauthorized network card is plugged in—Turn off and
remove the network card.
1. Remove network card.
2. Replace the system board.
1820
More than one external fingerprint 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.
2100
Detection error on Storage Device (Main HDD)
1. Reseat the solid-state drive.
2. Replace the solid-state drive.
3. Replace the system board.
2101
Detection error on Storage Device (M.2)
1. Reseat the M.2 solid-state drive.
2. Replace the M.2 solid-state drive.
3. Replace the system board.
2102
Detection error on Storage Device (Main HDD)
1. Reseat the hard disk drive or the solid-state drive.
2. Replace the hard disk drive or the solid-state drive.
3. Replace the system board.
2110
Read error on Storage Device (Main HDD)
1. Reseat the hard disk drive.
2. Replace the hard disk drive.
3. Replace the system board.
2111
Read error on Storage Device (Main HDD)
1. Reseat the M.2 solid-state drive.
2. Replace the M.2 solid-state drive.
3. Replace the system board.
2112
Read error on Storage Device (Main HDD)
1. Reseat the hard disk drive or the solid-state drive.
2. Replace the hard disk drive or the solid-state drive.
3. Replace the system board.
2200
Machine Type and Serial Number are invalid.
Replace the system board.
2201
Machine UUID is invalid
Replace the system board.
Error messages
Table 3. Error messages
Symptom or error
FRU or action, in sequence
Fan error. 1. Replace the thermal fan assembly.
2. Apply thermal grease.
3. Replace the system board.
Thermal sensing error. Replace the system board.
Chapter 4. Related service information 37
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