CPF23

Option DPRAM Err

Yaskawa · E7 Drive

What does CPF23 mean?

An option board is not correctly connected to the control board or an option board that is not made for the Drive is attached. This indicates a physical connection issue or hardware mismatch, risking improper communication or drive malfunction.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Perform a factory initialization.

  2. 4

    Cycle power off and on to the Drive.

  3. 5

    Replace the option board, then the control board if the issue persists.

Source: Yaskawa E7 Drive
View Official PDF