Numeric Error Codes - Lenovo 20Y7 Hardware Maintenance Manual

If no numeric code is displayed, check the narrative descriptions of symptoms. If the symptom is not
described there, go to "Intermittent problems" on page 40.
Note: For a device not supported by diagnostic codes in the ThinkPad notebook computers, see the manual
for that device.

Numeric error codes

Table 2. Numeric error codes
Symptom or error
0177
Bad SVP data, stop POST task— Checksum of the
supervisor password in the EEPROM is not correct.
0183
Bad CRC of Security Settings in EFI Variable. Enter the
ThinkPad Setup program. – The checksum of the Security
settings in the EFI Variable is not correct.
0187
EAIA data access error
0188
Invalid RFID Serialization Information Area.
0189
Invalid RFID Configuration Information Area.
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.
0271
Check Date and Time settings.
1802
Unauthorized network card is plugged in—Power off and
remove the network card.
1820
More than one external fingerprint reader are attached.
Power off and remove all but the reader that you set up
within your main operating system.
2000
ThinkVantage Active Protection sensor diagnostics failed.
2100
Detection error on M.2 main Slot (SSD0)
36
E14 Gen 3 / E15 Gen 3 Hardware Maintenance Manual
FRU or action, in sequence
Replace the system board.
1. Run the ThinkPad Setup program. The settings
will be corrected automatically. Then save the
current settings by pressing F10.
2. Replace the system board.
Replace the system board.
Replace the system board.
Replace the system board.
1. Charge the built-in battery.
2. Replace the built-in battery.
1. Run the ThinkPad Setup program, and then save
current setting by pressing F10.
2. Replace the system board.
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.
1. Charge the coin-cell battery for more than 8 hours
by connecting the ac adapter.
2. Replace the coin-cell battery and run ThinkPad Setup
to reset the time and date.
1. Run ThinkPad Setup to reset the time and date
2. Replace the coin-cell battery and run ThinkPad Setup
to reset the time and date.
1. Remove network card.
2. Replace the system board.
Remove all but the reader that you set up for the
authentication.
Have the computer serviced.
1. Reseat the M.2 solid-state drive.
2. Replace the M.2 solid-state drive.
3. Replace the system board.