Control Circuit Fault

Was bedeutet CPF18 ?

A general fault has been detected within the drive's control circuitry. This indicates an internal malfunction of the control logic, affecting overall drive operation. (Similar to CPF14).

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1. 1

   Verify incoming supply voltage and phase balance at the drive's main input terminals (L1/L2/L3) against specified limits.

2. 2

   Inspect all external control wiring (digital I/O, analog I/O, communication) for proper termination, insulation integrity, and absence of shorts or damage.

3. 3

   Check the drive's parameter settings related to control logic, I/O functions, and communication protocols against the application's design to identify any misconfigurations.

4. 4

   Verify the integrity of the drive's ground connection and ensure proper earthing of the entire system to prevent electrical noise affecting control circuitry.

5. 5

   Inspect the drive's internal environment for signs of contamination (dust, moisture) or overheating, ensuring cooling fans are operational and vents are clear.