Omron · NJ/NX-series Machine Automation Controller
A temperature monitoring circuit failure was detected on the main circuit. This indicates an inability to accurately monitor the temperature of the main circuit, which could lead to undetected overheating.
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Inspect all power supply input terminals, main circuit connections, and grounding connections on the Omron NJ/NX controller for secure attachment, corrosion, or damage.
Verify the Omron NJ/NX controller's diagnostic logs and system alarms for additional error codes, warnings, or detailed status messages related to the temperature monitoring circuit.
Check the controller's system parameters and configuration settings related to internal temperature monitoring or associated safety functions to ensure they are correctly configured and within specified operational limits.
Measure the input supply voltage and frequency at the controller's main power input terminals to confirm they are within the specified operational range for the Omron NJ/NX controller.