04C50000 hex
Sensor Communications Has Not Been Established
Omron · NJ/NX-series Machine Automation Controller
What does 04C50000 hex mean?
This fault indicates that the system failed to establish communication with a connected sensor. This can happen if a sensor is not present or if its connection is faulty, preventing initial data handshake within the E3X-series Fiber Sensor system.
Common Causes
- A Sensor is not connected.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Verify that the sensor is physically connected to the system.
- 2
Check the sensor cable for continuity and proper termination.
Verified technical data. Last updated: March 2026
Related Faults
Source: Omron NJ/NX-series Machine Automation Controller