CPF19

Control Circuit Fault

Yaskawa · P1000 AC Drive

What does CPF19 mean?

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).

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify input voltage (L1, L2, L3) and frequency at the drive's input terminals against nominal specifications and check for phase imbalance.

  2. 2

    Inspect all control wiring connections (e.g., digital I/O, analog I/O, communication cables) for loose terminals, damage, or improper shielding.

  3. 3

    Inspect drive cooling fans for proper operation and ensure heatsinks and ventilation openings are free from dust and obstructions.

  4. 4

    Review relevant drive parameters related to control modes, I/O configuration, and safety functions to ensure correct setup and integrity against a known good configuration.

Browse all codes in this manual (60)
Verified technical data. Last updated: March 2026

Related Faults