Cause : Rating ID fault comes when rating ID load error. The Rating ID is a critical piece of data stored within the drive's memory. It essentially acts like an electronic identification card that specifies the drive

A "Rating ID load error" in your ABB ACS880 drive signifies a mismatch between the hardware specifications of your drive and the information stored in its memory. This information, known as the Rating ID, defines the drive's power rating (e.g., amperage) and is crucial for safe and proper operation.