User Manual
Table Of Contents
- About this manual
- Chapter 1. Safety information
- Chapter 2. Important service information
- Chapter 3. General checkout
- Chapter 4. Related service information
- Chapter 5. Special keys
- Chapter 6. Locations
- Chapter 7. FRU replacement notices
- Chapter 8. Removing or replacing a FRU
- General guidelines
- Before servicing the computer
- 1010 Base cover assembly
- 1020 2242 M.2 solid-state drive
- 1030 Wireless-WAN card (for selected models)
- 1040 Thermal fan assembly
- 1050 Power button board and power button board cable
- 1060 Built-in battery
- 1070 Speaker assembly near the built-in battery
- 1080 Trackpad, fingerprint reader and P-sensor cable
- 1090 Trackpad
- 1100 Fingerprint reader module and bracket
- 1110 Wireless-LAN antenna assembly
- 1120 System board assembly
- 1130 Wireless-WAN antenna assembly (for selected models)
- 1140 Speaker assembly near the hinges
- 1150 LCD unit
- 1160 Keyboard bezel assembly with keyboard
- Appendix A. Notices
- Appendix B. Abbreviation table
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.
Replace the system board.
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.
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.
0187
EEAIA data access error - The access to EEPROM is
failed.
Replace the system board.
0188
Invalid RFID Serialization Information Area.
Replace the system board.
0189
Invalid RFID configuration information area - The
EEPROM checksum is not correct.
Replace the system board.
0190
Critical low-battery error
1. Charge the battery.
2. Replace the battery.
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.
Have the computer serviced.
0271
Check Date and Time settings.
Run ThinkPad Setup 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.
34 ThinkPad X1 Nano Gen 2 Hardware Maintenance Manual