ABB ACS560 Drive
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Jul 13, 2021 12:24 pm
How can resolve problem A7CE EFB comm loss alarm/warning in ABB ACS560 Drive ?
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Jul 13, 2021 12:24 pm
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.
