ABB A11 fault code meaning
ABB / A11
Series: ACS400
Overvoltage
drive
Meaning: Overvoltage controller is active.
Possible causes
Source: ACS400 User's Manual Rev C (EN, official site)
Series: DCS400
Comm Interrupt
DC drive
Meaning:
Possible causes
Source: DCS400 Manual (EN, official site)