Cause : NO MOT DATA comes when motor data is not given or motor data does not match with inverter data. This means the drive is unable to properly control the motor because it's not receiving the necessary information about its characteristics.

The code FF52 in your ABB ACS800 drive indicates a fault related to "No Motor Data". This means the drive is not receiving the necessary information about the connected motor.

• Check motor data parameters 99.04…99.09.