Lenovo 20AA000955, Hardware Maintenance Manual

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Table 2. Numeric error codes (continued)
Symptom or error FRU or action, in sequence
0191
System Security - Invalid Remote Change requested.
1. Run the ThinkPad Setup program, and then save
current setting by pressing F10.
2. Replace the system board.
0199
System Security - Security password retry count
exceeded.
1. Run the ThinkPad Setup program. The retry count
will be reset. Then save the current settings by
pressing F10.
2. Replace the system board.
0270
Real Time Clock Error - System Real Time Clock is not
functional.
Have the computer serviced.
0271
Real-Time Clock Error. Check Date and Time settings.
1. Run ThinkPad Setup to reset the time and date.
2. Replace the coin-cell battery and run the ThinkPad
Setup program to reset the time and date.
1802
Unauthorized network card is plugged in - Turn off and
remove the network card.
1. Remove the 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 Main HDD (SSD0) or Detection error on
Main HDD (HDD0)
1. Reseat the M.2 solid-state drive.
2. Replace the M.2 solid-state drive.
3. Replace the system board.
2110
Read error on Main HDD (SSD0) or Read error on Main
HDD (HDD0)
1. Reseat the M.2 solid-state drive.
2. Replace the M.2 solid-state drive.
3. Replace the system board.
2200
Machine Type and Serial Number are invalid.
Have the computer serviced.
2201
Machine UUID is invalid
Replace the system board.
2202
Brand Name is invalid.
Have the computer serviced.
2203
System configuration is invalid.
Have the computer serviced.
2204
System configuration data is invalid.
Have the computer serviced.
Error messages
Table 3. Error messages
Symptom or error FRU or action, in sequence
Fan error.
(two short beeps) 1. Replace the fan.
2. Apply thermal grease.
3. Replace the system board.
Thermal sensing error. Replace the system board.
Chapter 4
.
Related service information
37