Cause : Fan comes when cooling fan is stuck or disconnected. This signifies a problem with the drive's internal cooling fan that's critical for maintaining proper operating temperature within the unit.

The fault code 5080 in your ABB ACS560 drive indicates a cooling fan fault. This signifies a problem with the drive's internal cooling fan, which is crucial for maintaining a safe operating temperature for the drive's electronic components.

Check the auxiliary code to identify the fan. Code 0 denotes main fan 1. Other codes (format XYZ): “X” specifies state code 1: ID run, 2: normal. “Y” = 0, “Z” specifies the index of the fan

1: Main fan 1,

2: Main fan 2,

3: Main fan 3.

Check fan operation and connection. Replace fan if faulty.