Numeric Error Codes - Lenovo ThinkPad T420 4177 Hardware Maintenance Manual

Numeric error codes

Table 2. Numeric error codes
Symptom or error
0177
Bad SVP data, stop POST task—The checksum of the
supervisor password in the EEPROM is not correct.
0182
Bad CRC2. Enter BIOS Setup and load Setup
defaults.—The checksum of the CRS2 setting in the
EEPROM is not correct.
0183
Bad CRC of Security Settings in EFI Variable. Enter
ThinkPad Setup.
0187
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
0191
System Security—Invalid Remote Change requested.
0199
System Security— Security password retry count
exceeded.
0251
System CMOS checksum bad— Default configuration
used.
1802
Unauthorized network card is plugged in—Turn off and
remove the miniPCI 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.
2000
Hard Drive Active Protection sensor diagnostics
failed.Press <Esc> to continue.Press <F1> to enter
SETUP
2100
Detection error on HDD0 (Main HDD)
2101
Detection error on HDD1 (Ultrabay HDD)
FRU or action, in sequence
System board.
1. Run ThinkPad Setup. Press F9, and Enter to load
the default setting. Then save the current setting by
pressing F10.
2. System board.
System board.
System board.
System board.
1. Run ThinkPad Setup, and then save the current
setting by pressing F10.
2. System board.
1. Charge the backup battery for more than 8 hours
by connecting the ac adapter.
2. Replace the backup battery and run ThinkPad
Setupto reset the time and date.
1. Remove Mini PCI network card.
2. System board.
Remove all but the reader that you set up for the
authentication.
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.
1. Reseat the hard disk drive.
2. Main hard disk drive.
3. System board.
1. Reseat the hard disk drive.
2. Ultrabay hard disk drive.
3. System board.
Chapter 4
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Related service information
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