Danfoss iC7-Automation & iC2-Micro Drive
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Mar 07, 2024 11:32 am
Cause : Back EMF Too High- This warning applies to PM motors only. When the back EMF exceeds 90% x Uinvmax (overvoltage threshold) and does not drop to normal level within 5 s, this warning is reported. The warning remains until the back EMF returns to a normal level.