ABB ACS550 Drive
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Dec 15, 2021 8:41 am
How can resolve problem F0028 SERIAL 1 ERR Fault in ABB ACS550 Drive ?
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Dec 15, 2021 8:41 am
Fieldbus communication has timed out. Check for and correct:
• Fault setup (3018 COMM FAULT FUNC and 3019 COMM FAULT TIME).
• Communication settings (Group 51: EXT COMM MODULE or Group 53:
EFB PROTOCOL as appropriate).
• Poor connections and/or noise on line
