Lenovo ThinkPad T450 (English) Hardware Maintenance Manual - ThinkPad T450 - Page 43

Numericerrorcodes

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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 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 Replace the system board. EAIA data access error-The access to EEPROM is failed. 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 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 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- System Real Time Clock is not functional. Have the computer serviced. 0271 Check Date and Time settings- Neither the date nor the time is set in the computer. Set the date and time, using ThinkPad Setup. 1802 Unauthorized network card is plugged in-Turn off and remove the network card. 1. Remove 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 Have the computer serviced. ThinkVantage Active Protection sensor diagnostics failed. 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 SSD1 (M.2) 1. Reseat the M.2 solid-state drive. 2. Replace the solid-state drive. 3. Replace the system board. Chapter 4. Related service information 37

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Note:
For a device not supported by diagnostic codes in the ThinkPad notebook computers, see the
manual for that device.
Numericerrorcodes
Table 2. Numeric error codes
Symptomorerror
FRUoraction,insequence
0177
Bad SVP data, stop POST task—The checksum of the
supervisor password in the EEPROM is not correct.
Replacethesystemboard.
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.
RuntheThinkPadSetupprogram.Thesettings
willbecorrectedautomatically.Thensavethe
currentsettingsbypressingF10.
2. Replace the system board.
0187
EAIA data access error—The access to EEPROM is failed.
Replacethesystemboard.
0188
Invalid RFID Serialization Information Area.
Replacethesystemboard.
0189
Invalid RFID configuration information area—The
EEPROM checksum is not correct.
Replacethesystemboard.
0190
Critical low-battery error
1.
Chargethebatterypack.
2. Replace the battery pack.
0191
System Security—Invalid Remote Change requested.
1.
RuntheThinkPadSetupprogram,andthensave
currentsettingbypressingF10.
2. Replace the system board.
0199
System Security— Security password retry count
exceeded.
1.
RuntheThinkPadSetupprogram.Theretrycount
willbereset.Thensavethecurrentsettingsby
pressingF10.
2. Replace the system board.
0270
Real Time Clock Error— System Real Time Clock is not
functional.
Havethecomputerserviced.
0271
Check Date and Time settings— Neither the date nor the
time is set in the computer.
Setthedateandtime,usingThinkPadSetup.
1802
Unauthorized network card is plugged in—Turn off and
remove the network card.
1.
Removenetworkcard.
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.
Removeallbutthereaderthatyousetupforthe
authentication.
2000
ThinkVantage Active Protection sensor diagnostics failed.
Havethecomputerserviced.
2100
Detection error on HDD0 (Main HDD)
1.
Reseattheharddiskdrive.
2. Replace the main hard disk drive.
3. Replace the system board.
2101
Detection error on SSD1 (M.2)
1.
ReseattheM.2solid-statedrive.
2. Replace the solid-state drive.
3. Replace the system board.
Chapter 4
.
Related service information
37