Lenovo ThinkPad T420si Hardware Maintenance Manual - Page 59

Numeric error codes, Bad CRC of Security Settings in EFI Variable. Enter

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Numeric error codes Table 2. Numeric error codes Symptom or error FRU or action, in sequence 0177 Bad SVP data, stop POST task-The checksum of the supervisor password in the EEPROM is not correct. System board. 0182 Bad CRC2. Enter BIOS Setup and load Setup defaults.-The checksum of the CRS2 setting in the EEPROM is not correct. 1. Run ThinkPad Setup. Press F9, and Enter to load the default setting. Then save the current setting by pressing F10. 2. System board. 0183 Bad CRC of Security Settings in EFI Variable. Enter ThinkPad Setup. 0187 System board. EAIA data access error-The access to EEPROM is failed. 0188 Invalid RFID Serialization Information Area. 0189 Invalid RFID configuration information area-The EEPROM checksum is not correct. 0190 Critical low-battery error System board. 0191 System Security-Invalid Remote Change requested. System board. 0199 System Security- Security password retry count exceeded. 1. Run ThinkPad Setup, and then save the current setting by pressing F10. 2. System board. 0251 System CMOS checksum bad- Default configuration used. 1. Charge the backup battery for more than 8 hours by connecting the ac power adapter. 2. Replace the backup battery and run ThinkPad Setupto reset the time and date. 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 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 Hard Drive Active Protection sensor diagnostics failed.Press to continue.Press to enter SETUP 1. Undock docking station or port replicator if it is attached to the ThinkPad Notebook. 2. Place the ThinkPad Notebook on a horizontal surface. Do not apply any physical shock to the computer. 3. Run Diagnostics ➙ ThinkPad Device ➙ 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. Chapter 4. Related service information 53

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Numeric error codes
Table 2. Numeric error codes
Symptom or error
FRU or action, in sequence
0177
Bad SVP data, stop POST task—The checksum of the
supervisor password in the EEPROM is not correct.
System board.
0182
Bad CRC2.
Enter BIOS Setup and load Setup
defaults.—The checksum of the CRS2 setting in the
EEPROM is not correct.
1. Run
ThinkPad Setup
. Press F9, and Enter to load
the default setting. Then save the current setting by
pressing F10.
2. System board.
0183
Bad CRC of Security Settings in EFI Variable. Enter
ThinkPad Setup.
0187
EAIA data access error—The access to EEPROM is failed.
System board.
0188
Invalid RFID Serialization Information Area.
0189
Invalid RFID configuration information area—The
EEPROM checksum is not correct.
0190
Critical low-battery error
System board.
0191
System Security—Invalid Remote Change requested.
System board.
0199
System Security— Security password retry count
exceeded.
1.
Run ThinkPad Setup, and then save the current
setting by pressing F10.
2. System board.
0251
System CMOS checksum bad— Default configuration
used.
1.
Charge the backup battery for more than 8 hours
by connecting the ac power adapter.
2. Replace the backup battery and run ThinkPad
Setupto reset the time and date.
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 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
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 ThinkPad Notebook on a horizontal surface.
Do not apply any physical shock to the computer.
3. Run
Diagnostics
➙
ThinkPad Device
➙
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.
Chapter 4
.
Related service information
53