CPU Internal A/D Converter Fault

What does CPF04 mean?

A fault in the CPU's internal Analog-to-Digital converter was detected. This issue typically results from noise or electrical spikes on the control circuit input terminals, impairing the CPU's ability to accurately process internal analog signals.

Complete Troubleshooting Guide

1. 1

   Perform factory initialization of the Drive.

2. 2

   Cycle power to the Drive.

3. 3

   Replace the control board if the fault continues, as it indicates a CPU hardware issue.