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WARNING 87 in danfoss iC2 micro drive

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Cause : Auto DC-Braking- Occurs in IT mains when the drive coasts, and the DC voltage is higher than 830 V for 400 V units and 425 V for 200 V units. The motor consumes energy on the DC link.

  • This function can be enabled/disabled in P 2.3.13 Auto DC Braking.
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