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FA90 STO diagnostics failure warning in ABB ACS560 Drive

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(@click2electro)
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Joined: 4 years ago

How can resolve problem FA90 STO diagnostics failure warning in ABB ACS560 Drive ?

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Posts: 18454
Admin
Topic starter
(@click2electro)
Member
Joined: 4 years ago

Cause : The software is not working properly.

1. Restart the control unit.

2. Power off drive and restart.

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