8-8 Troubleshooting
POST Error Messages
When POST detects an error, it displays an error message on the display unit screen. The following table lists error
codes, error messages, and actions to take.
IMPORTANT: Take a note on the messages displayed before consulting with your service
representative. Alarm messages are useful information for maintenance.
Error
code
Error message Recommended Action
0200 Failure Fixed Disk Contact your service representative.
0210 Stuck Key Disconnect the keyboard and connect it again.
0213
Keyboard locked - Unlock key
switch
Release the lock of the key switch. If the error cannot
be corrected in spite of the release of the lock, contact
your service representative.
0220
Monitor type does not match CMOS
- Run SETUP
Start the SETUP. If the error cannot be corrected in
spite of the start of SETUP, contact your service
representative.
0230 System RAM Failed at offset:
0231 Shadow Ram Failed at offset:
0232
Extended RAM Failed at address
line:
Contact your service representative.
0250
System battery is dead - Replace
and run SETUP
Contact your service representative to replace the
battery. (After restarting the computer, start the SETUP
to provide the setting again.)
0251
System CMOS checksum bad -
Default configuration used
The default values have just been set. Start the
SETUP to provide the setting again. If the error cannot
be corrected, contact your service representative.
0252
Password checksum bad -
Passwords cleared.
The password has just been cleared. Start the SETUP
to provide the setting again.
0260 System timer error
0270 Real time clock error
0271 Check date and time settings.
Start the SETUP to set the date and time again. If the
same error occurs successively in spite of the
resetting, contact your service representative.
02B0 Diskette drive A error
Start the SETUP to set the "Legacy Floppy A" in the
Main menu again. If the same error occurs
successively in spite of the resetting, contact your
service representative.
02B2 Incorrect Drive A type - run SETUP
Start the SETUP to provide the setting again. If the
error cannot be corrected, contact your service
representative.
02D0
System cache error - Cache
disabled
The cache cannot be used. Contact your service
representative.