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71A5 Mechanical brake opening not allowed Fault in ABB ACS880

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(@click2electro)
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How can resolve problem 71A5 Mechanical brake opening not allowed Fault in ABB ACS880 ?

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Posts: 14806
Admin
Topic starter
(@click2electro)
Member
Joined: 3 years ago

Cause : Open conditions of mechanical brake cannot be fulfilled.

1.Check mechanical brake settings in

parameter group 44 Mechanical brake control.

2. Check that the acknowledgment signal (if used) matches the actual status of the brake.

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