Denso BHT-8000 User Manual page 127

If no CU-8011 system reconfig file exists at the start of updating
If no BHT is placed on the CU-8011 at the start of updating
If an updating error occurs
If no system file exists in the BHT when you select "1:DO IT," then the
message shown at left will appear.
Download a CU-8011 system reconfig file to the BHT and then try
updating again. (Refer to Section 2.6.2.)
To return to the CU-F/W MODIFY menu screen, press the C key.
If no BHT is placed on the CU-8011 when you select "1:DO IT," then
the message shown at left will appear.
Place the BHT on the CU-8011 and then try updating again. (Refer to
Section 2.6.2.)
To return to the CU-F/W MODIFY menu screen, press the C key.
If any updating error occurs during updating that is started by
selecting "1:DO IT," then the message shown at left will appear.
Check that the BHT is placed on the CU-8011 correctly and the file
downloaded for updating is a proper LAN-support CU-8011 system
reconfig file, and then try uploading again. (Refer to Section 2.6.2.)
To return to the CU-F/W MODIFY menu screen, press the C key.
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