ABB DCS800 Drive
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Dec 25, 2021 11:14 am
How can resolve problem A121 AutotuneFail Autotuning failed alarm In ABB DCS800 ?
3 Replies
Dec 25, 2021 11:14 am
To clear the alarm set ServiceMode (99.06) = NormalMode
Nov 18, 2022 3:50 pm
@click2electro sir I have a same problem I changed service mode to normal mode then also same problem sir
Nov 18, 2022 4:19 pm
Check motor data and tune again. When you run autotune motor will be de-couple from load.
When autotune fail try again some time this fault comes.
If fault come again and again then may be control card faulty.
