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A0542 alarm in siemens micromaster 440 or MM440 drive

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(@click2electro)
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How can resolve problem A0542 alarm in siemens micromaster 440 or MM440 drive ?

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

Cause : Speed Control Optimization Active - Speed Control Optimization (P1960) is selected or running.

 

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