A numeric error is displayed for each error detected in POST or system operation. In the displays,
n
can
be any number.
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 41.
Note:
For a device not supported by diagnostic codes in the ThinkPad Notebooks, see the manual for
that device.
Numeric error codes
Table 2. Numeric error codes
Symptom or error (beeps, if any)
FRU or action, in sequence
0187
EAIA data access error-The access to EEPROM is failed.
(two short beeps)
System board.
0189
Invalid RFID configuration information area—The
EEPROM checksum is not correct.
(two short beeps)
System board.
0190
Critical low-battery error
(two short beeps)
1.
Charge the battery pack.
2. Battery pack.
0191
System Security—Invalid Remote Change requested.
1.
Run ThinkPad Setup, and then save current
setting by pressing F10.
2. System board.
0251
System CMOS checksum bad— Default configuration
used.
(two short beeps)
1.
Charge the backup battery for more than 8 hours
by connecting the ac power adapter.
2. Replace the backup battery and run ThinkPad Setup
to reset the time and date.
0271
Date and time error—Neither the date nor the time is set
in the computer.
(two short beeps)
Run ThinkPad Setup to reset the time and date.
1802
Unauthorized network card is plugged in—Turn off and
remove the miniPCI network card.
(two short beeps)
1.
Remove the Mini PCI network card.
2. System board.
Error messages
Table 3. Error messages
Symptom or error (beeps, if any)
FRU or action, in sequence
Fan error.
(four short beeps, one long beep)
1.
Fan
.
2. Thermal grease.
3. System board.
40
Hardware Maintenance Manual
Summary of Contents for 440128U
Page 1: ...Hardware Maintenance Manual ThinkPad Edge E420s ...
Page 6: ...iv Hardware Maintenance Manual ...
Page 11: ...DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information 5 ...
Page 12: ...DANGER 6 Hardware Maintenance Manual ...
Page 13: ...PERIGO PERIGO PERIGO Chapter 1 Safety information 7 ...
Page 14: ...PERIGO PERIGO PERIGO PERIGO PERIGO DANGER 8 Hardware Maintenance Manual ...
Page 15: ...DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information 9 ...
Page 16: ...DANGER DANGER VORSICHT VORSICHT VORSICHT 10 Hardware Maintenance Manual ...
Page 17: ...VORSICHT VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information 11 ...
Page 18: ...12 Hardware Maintenance Manual ...
Page 19: ...Chapter 1 Safety information 13 ...
Page 20: ...14 Hardware Maintenance Manual ...
Page 21: ...Chapter 1 Safety information 15 ...
Page 22: ...16 Hardware Maintenance Manual ...
Page 24: ...18 Hardware Maintenance Manual ...
Page 25: ...Chapter 1 Safety information 19 ...
Page 26: ...20 Hardware Maintenance Manual ...
Page 27: ...Chapter 1 Safety information 21 ...
Page 28: ...22 Hardware Maintenance Manual ...
Page 32: ...26 Hardware Maintenance Manual ...
Page 56: ...50 Hardware Maintenance Manual ...
Page 90: ...Overall 1 2 4 5 7 9 13 18 14 15 19 8 12 11 17 16 10 6 3 84 Hardware Maintenance Manual ...