Control Circuit Error

What does CPF20 mean?

This fault indicates a general hardware problem within the drive's control circuit. Such internal issues can prevent the drive from functioning correctly and may lead to complete operational failure. Continued use with this fault can exacerbate internal damage to sensitive electronic components.

Complete Troubleshooting Guide

1. 1

   Re-energize the drive to attempt a temporary reset.

2. 2

   If the fault persists after re-energizing, replace the control board or the entire drive unit. Contact Yaskawa for control board replacement information.