Mitsubishi Electric C70 Setup Manual page 494

Z99 FILE AREA ERROR 0002 (month, date)
Details
There was a high possibility that the edited data was not properly updated so that it was recovered
using the backup data.
The machining program is not the newest.
Remedy
Check the machining program you were editing, and edit it again if it is same as the one before being
edited.
This alarm will be canceled by turning ON the edit data recovery signal after recovering work is
completed.
"Emergency stop DATA" will be canceled by turning the controller ON again.
The data when the recovered data was backuped will be displayed in four digits (month and date)
behind the error No., as a rough idea for data recovery.
Z99 FILE AREA ERROR 0003
Details
The edit work just before the power went down may not be reflected.
When the program capacity 2560m/5120m is set as option, the file will be compressed and saved after
the program edit. The power supply for NC was cut during compressing the file.
Remedy
Check the machining program you were editing, and
edit it again if it is same as the one before editing. This alarm
will be canceled by turning ON the edit data recovery signal after
recovering work is completed. "Emergency stop DATA" will be canceled
by turning the controller ON again. Keep NC ON during the file compressing.
This operation takes thirty seconds maximum.
Z99 FILE AREA ERROR 0004
Details
The compressed data does not fit in the memory.
Remedy
Delete unnecessary data and edit it again.
If the power is turned ON again while the error still appears, the program revert to the status before the
error occurred.
Z99 FILE AREA ERROR 0005
Details
Data cannot be uncompressed normally at power ON.
Remedy
Format the area again. Contact the service center.
Z99 FILE AREA ERROR 0006
Details
Memory necessary for edited data or compression cannot be allocated.
Remedy
Contact the service center.
C70 Setup Manual
Appendix 2.6 System Alarms (Z)
477