Table 2. Numeric error codes (continued)
Symptom or error (beeps, if any)
FRU or action, in sequence
0190
Critical low-battery error
1. Charge the battery pack.
2. Replace the battery pack.
0191
System Security - Invalid Remote Change requested.
1. Run the ThinkPad Setup program, and then save
current setting by pressing Fn+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 Fn+F10.
2. Replace the system board.
0251
System CMOS checksum bad - Default configuration
used.
1. Charge the coin-cell battery for more than 8 hours
by connecting the ac power adapter.
2. Replace the coin-cell battery and run the ThinkPad
Setup program to reset the time and date.
0253
EFI Variable Block Data was destroyed.
1. Run ThinkPad Setup to reconfigure the settings.
2. Replace the system board.
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
2000
ThinkVantage Active Protection sensor diagnostics failed.
Have the computer serviced.
2100
Detection error on HDD0 (Main HDD)
1. Reseat the hard disk drive.
2. Replace the main hard disk drive.
3. Replace the system board.
2101
Detection error on HDD1 (Ultrabay HDD)
1. Reseat the hard disk drive.
2. Replace the Ultrabay
®
hard disk drive.
3. Replace the system board.
2102
Detection error on HDD2 (Mini SATA)
1. Reseat the Mini SATA device.
2. Replace the mini SATA device.
3. Replace the system board.
2110
Read error on HDD0 (Main HDD)
1. Reseat the hard disk drive.
2. Replace the main hard disk drive.
3. Replace the system board.
2111
Read error on HDD1 (Ultrabay HDD)
1. Reseat the hard disk drive.
2. Replace the Ultrabay hard disk drive.
3. Replace the system board.
Chapter 4. Related service information 41
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