100C0000 hex
Event Level Setting Error
Omron · NX-series CPU Unit
What does 100C0000 hex mean?
The event level setting file contains incorrect or corrupted data. This error is detected at power-on or during a Controller reset, resulting in a major fault that stops the user program and Controller operation.
Common Causes
- The Controller's power supply was interrupted or communications with Sysmac Studio were disconnected during a download of the event level settings.
- The Controller's power supply was interrupted during a Clear All Memory operation.
- Failure of the non-volatile memory within the CPU Unit.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Perform a Memory All Clear operation on the Controller and then re-transfer the event level setting file from Sysmac Studio.
- 2
If the error persists after re-transferring the event level settings, replace the CPU Unit.
Verified technical data. Last updated: March 2026
Related Faults
Source: Omron NX-series CPU Unit