Capacitor precharge fault

What does CrF mean?

A fault related to the capacitor precharge circuit, either due to a control issue with the precharge relay or a damaged precharge resistor. This fault prevents the drive from powering up correctly, indicating a critical internal hardware failure.

Complete Troubleshooting Guide

1. 1

   As this fault indicates an internal hardware failure related to the precharge circuit, replace the entire drive unit.