ABB ACS380 Drive
2
Posts
1
Users
0
Reactions
485
Views
Dec 14, 2021 6:42 am
How can resolve problem A7CE EFB comm loss warning in ABB ACS380 Drive ?
1 Reply
Dec 14, 2021 6:42 am
Cause : Communication break in embedded fieldbus (EFB) communication.
1. Programmable warning:
58.14 Communication loss action.
2. Check the status of the fieldbus master (online/offline/error etc.).
3. Check cable connections to the EIA-485/X5 terminals 29, 30 and 31 on the control unit.
