Vacon · NX Liquid-Cooled Drive
The 'Cooling OK' digital input, typically used for liquid cooling feedback, has triggered this fault, indicating an issue with the cooling system status.
Click steps to track your progress.
Check the liquid cooling system for proper operation, ensuring adequate flow, pressure, and temperature within specified limits.
Verify the signal wiring connecting the cooling system's 'Cooling OK' feedback sensor to the drive's digital input.
Check the status and functionality of the 'Cooling OK' input itself, ensuring the sensor is operating correctly.