IBM ThinkPad A22e Hardware Maintenance Manual page 51

Symptom or error
0190
Critical low battery error.
0200
Hard disk error — The hard
disk is not working.
021x
Stuck key — Keyboard error.
0220
Monitor type error — Monitor
type does not match the one
specified in CMOS.
0230
Shadow RAM error — The
shadow RAM failure at offset
nnnn.
0231
System RAM failure at offset
nnnn.
0232
Extended RAM error —
Extended RAM failure at offset
nnnn.
0250
System battery error — System
battery is dead.
0251
System CMOS checksum
bad—Default configuration
used.
0252
Password checksum bad —
The password is cleared.
0260
System timer error.
0270
Real-time clock error.
0271
Date and time error — Neither
the date nor the time is set in
the computer.
(continued)
FRU or action, in sequence
1. Charge the battery pack.
2. Battery pack.
1. Reseat the hard-disk
drive.
2. Load Setup Defaults in IBM
BIOS Setup Utility.
3. Hard-disk drive.
4. System board.
Run interactive tests of the
keyboard and the auxiliary
input device.
Load Setup Defaults in IBM
BIOS Setup Utility.
System board.
1. DIMM.
2. System board.
1. DIMM.
2. System board.
Replace the backup battery
and run IBM BIOS Setup
Utility to reset the time and
date.
Replace the backup battery
and run IBM BIOS Setup
Utility to reset the time and
date.
Reset the password by
running IBM BIOS Setup
Utility.
1. Replace the backup
battery and run IBM BIOS
Setup Utility to reset the
time and date.
2. System board.
1. Replace the backup
battery and run IBM BIOS
Setup Utility to reset the
time and date.
2. System board.
Run IBM BIOS Setup Utility to
reset the time and date.
ThinkPad A21e, A22e, i 1800
Symptom-to-FRU index
47