ABB A2 fault code meaning

ABB / A2

Series: ACS400

Start valid

drive

Meaning: Control panel function is not allowed while start is active.

Possible causes

Source: ACS400 User's Manual Rev C (EN, official site)

Series: DCS400

Mains Voltage Low

DC drive

Meaning:

Possible causes

Source: DCS400 Manual (EN, official site)