ABB A102 fault code meaning
ABB / A102
Series: DCS500B
Emergency stop
DC drive
Meaning:
Possible causes
Source: DCS500B Operation Manual Chinese edition (official site)
Series: DCS550
Off3 (emergency stop) pending (digital input)
DC drive
Meaning: Off3 (E-stop) pending via digital input
Possible causes
Source: DCS550 Manual (EN, official site)