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F0022 STO2 LOST Fault in ABB ACS850 Drive

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(@click2electro)
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How can resolve problem F0022 STO2 LOST Fault in ABB ACS850 Drive ?

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Posts: 18330
Admin
Topic starter
(@click2electro)
Member
Joined: 4 years ago

Cause : Safe torque off function is active, that is, safety circuit signal 2 connected between XSTO:2 and XSTO:4 is lost.

Check safety circuit connections.

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