Control Circuit Error / CPU error

What does CPF26-CPF35, CPF40-CPF43 mean?

These codes indicate a general control circuit or CPU error within the drive, suggesting internal hardware damage. This critical fault can affect the drive's core functionality and may necessitate replacement of components.

• Internal hardware damage to the drive's control board
• Internal CPU malfunction within the drive

Click steps to track your progress.

1. 1

   If the fault persists, replace the control board of the drive (contact Yaskawa or a Yaskawa representative for instructions).

2. 2

   If the fault persists after control board replacement, replace the entire drive (contact Yaskawa or a Yaskawa representative for instructions).