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Symptom or error FRU or action, in sequence
0250
System
battery
error—System
battery is dead.
1. Recharge the backup battery for
one hour by connecting the ac
adapter to the computer and run
BIOS Setup Utility to verify the
configuration.
2. Replace the backup battery and run
BIOS Setup Utility to reset the time
and date.
0251
System
CMOS
checksum
bad—Default
configuration used.
1. Recharge the backup battery for
one hour by connecting the ac
adapter to the computer and run
BIOS Setup Utility to verify the
configuration.
2. Replace the backup battery and run
BIOS Setup Utility to reset the time
and date.
0260
System
timer error
1. Recharge the backup battery for
one hour by connecting the ac
adapter to the computer and run
BIOS Setup Utility to verify the
configuration.
2. Replace the backup battery and run
BIOS Setup Utility to reset the time
and date.
3. System board.
0270
Real
time clock error
1. Recharge the backup battery for
one hour by connecting the ac
adapter to the computer and run
BIOS Setup Utility to verify the
configuration.
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.
Run BIOS Setup Utility to reset the time
and date.
0280
Previous
boot
incomplete—Default
configuration used.
1. Load “Setup Default” in BIOS Setup
Utility.
2. DIMM.
3. System board.
02D0
System
cache error
1. CPU
02F4
EISA
CMOS not
writable
1. Load Setup Defaults in BIOS Setup
Utility.
2. Recharge the backup battery for one
hour by connecting the ac adapter to
the computer and run BIOS Setup
Utility to verify the configuration.
3. Replace the backup battery.
4. System board.
Symptom-to-FRU index
54 ThinkPad G40, G41