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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.
0211 Keyboard error Disconnect the keyboard and connect it again.
If the error cannot be corrected, contact your
service representative.
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 setting.
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.
02D0 System cache error - Cache disabled.
The cache cannot be used. Contact your
service representative.