Non-volatile Memory Checksum Error
Omron · NJ/NX-series Machine Automation Controller
What does 14A00000 mean?
An integrity check failed for the control parameters stored in non-volatile memory, indicating potential corruption of essential configuration data. This can lead to incorrect system operation.
Common Causes
- Electrical noise interfering with memory operations
Repair Steps & Checklist
Click steps to track your progress.
- 1
Verify the stability and nominal value of the input supply voltage to the controller power supply module.
- 2
Connect to the controller via Sysmac Studio, perform a full backup of the current parameters, and then re-download the latest known good configuration parameters to the controller.
- 3
Inspect all status LEDs on the CPU module and power supply module for any additional error or warning indications.
- 4
Check the current firmware version of the NJ/NX controller and compare it with the latest recommended version from Omron's support portal.