CPF12

FLASH Memory Fault

Yaskawa · J1000 AC Drive

What does CPF12 mean?

There is a problem with the drive's internal ROM (FLASH memory), which stores the firmware and critical operating system programs. This indicates a serious internal hardware failure that prevents the drive from booting, executing its core functions, or operating reliably, rendering it inoperable.

Complete Troubleshooting Guide

  1. 1

    This fault indicates a critical internal hardware failure. The entire drive unit must be replaced.

Source: Yaskawa Manual