CPF20

Option Card Fault

Yaskawa · F7 Drive

What does CPF20 mean?

An input fault on the option board or an A/D converter fault on the option card. This indicates a problem with the option board's ability to process analog inputs or a fault with its internal converter, affecting external sensor readings.

Complete Troubleshooting Guide

  1. 1

    Remove all inputs to the option board to isolate the problem.

  2. 2

    Perform a factory initialization to reset option board settings.

  3. 3

    Cycle power to the Drive.

  4. 4

    Replace the option board, or replace the control board if the option board is verified good.