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Table 2. Numeric error codes (continued)
Symptom or error (beeps, if any) FRU or action, in sequence
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 to reset the time and date.
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
adapter.
2. Replace the backup battery and run BIOS
Setup Utility to reset the time and date.
0254
System NV7 Volume checksum bad- Default
configuration used
(two short beeps)
Turn off the computer and discharge
CMOS. Then restart the computer.
0260
System timer error.
(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 to reset the time and date.
3. System board.
0270
Real-time clock error.
(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 to reset the time and date.
3. System board.
0271
Date and time error—Neither the date nor
the time is set in the computer.
(two short beeps)
Run BIOS Setup Utility to reset the time
and date.
0280
Previous boot incomplete— Default
configuration used.
(two short beeps)
1. Load “Setup Default” in BIOS Setup
Utility.
2. DIMM.
3. System board.
02D0
System cache error.
(two short beeps)
1. CPU.
2. System board.
54 ThinkPad Edge 13″ and E30 Hardware Maintenance Manual