Lenovo 350828U, Hardware Maintenance Manual

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This index can also help you determine, during regular servicing, what FRUs are likely to need to be
replaced next.
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 43.
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 BIOS Setup Utility (ThinkPad Setup for
ThinkPad X120e), and then save current setting by
pressing F10.
2. System board.
0210
Stuck Key
(two short beeps)
Change keyboard, and restart the computer.
0211
Keyboard error
(two short beeps)
Run interactive tests of the keyboard and the auxiliary
input device.
0230
Shadow RAM error—Shadow RAM fails at offset nnnn.
(two short beeps)
System board.
0231
System RAM error—System RAM fails at offset nnnn.
(two short beeps)
1. DIMM.
2. System board.
0232
Extended RAM error— Extended RAM fails at offset nnnn.
(two short beeps)
1. DIMM.
2. System board.
0250
System battery error—System battery is dead.
(two short beeps)
1. Charge the backup battery for more than 8 hours
by connecting the ac adapter.
2. Replace the backup battery and run BIOS Setup
Utility (ThinkPad Setup for ThinkPad X120e) to reset
the time and date.
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Hardware Maintenance Manual