YASKAWA DX100 Maintenance Manual page 456

Alarm Alarm Name Sub
Number Code
91
92
Meaning Cause
The FAT information for job data is Software operation
damaged. error occurred
A job data was destroyed. Software operation
error occurred
Remedy
(1)Reset the alarm.
(2)If the error occurs again, delete the job where the alarm occurred.
(3)If the error occurs again after the previous measures were executed,
initialize the job file in the maintenance mode, and then load the saved job
file.
(4)If the error occurs again though the previous measures were executed,
save the CMOS.BIN in maintenance mode, and then contact your Yaskawa
representative about occurrence status (operating procedure).
(1)Reset the alarm.
(2)If the error occurs again, delete the job where the alarm occurred.
(3)If the error occurs again after the previous measures were executed,
initialize the job file in the maintenance mode, and then load the saved job
file.
(4)If the error occurs again though the previous measures were executed,
save the CMOS.BIN in maintenance mode, and then contact your Yaskawa
representative about occurrence status (operating procedure).