Error Messages - Lenovo 20MU Hardware Maintenance Manual

Table 2. Numeric error codes (continued)
Symptom or error
0270
Real Time Clock Error— System Real Time Clock is not
functional.
0271
Check Date and Time settings— Neither the date nor the
time is set in the computer.
1802
Unauthorized network card is plugged in—Turn off and
remove the network card.
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.
2100
Detection error on Storage Device (Main HDD)
2101
Detection error on Storage Device (M.2)
2102
Detection error on Storage Device (Main HDD)
2110
Read error on Storage Device (Main HDD)
2111
Read error on Storage Device (Main HDD)
2112
Read error on Storage Device (Main HDD)
2200
Machine Type and Serial Number are invalid.
2201
Machine UUID is invalid

Error messages

Table 3. Error messages
Symptom or error
Fan error.
Thermal sensing error.
FRU or action, in sequence
Have the computer serviced.
Set the date and time, using ThinkPad Setup.
1. Remove network card.
2. Replace the system board.
Remove all but the reader that you set up for the
authentication.
1. Reseat the solid-state drive.
2. Replace the solid-state drive.
3. Replace the system board.
1. Reseat the M.2 solid-state drive.
2. Replace the M.2 solid-state drive.
3. Replace the system board.
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.
1. Reseat the hard disk drive.
2. Replace the hard disk drive.
3. Replace the system board.
1. Reseat the M.2 solid-state drive.
2. Replace the M.2 solid-state drive.
3. Replace the system board.
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.
Replace the system board.
Replace the system board.
FRU or action, in sequence
1. Replace the thermal fan assembly.
2. Apply thermal grease.
3. Replace the system board.
Replace the system board.
Chapter 4
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Related service information
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