Nidec & Control Techniques Unidrive M700, M600, M400, HS30 & HS70 Drive
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Apr 12, 2024 12:15 pm
Cause : Power stage recognition:- Unrecognized drive size comes when the Drive Size trip indicates that the control PCB has not recognized the drive size of the power circuit to which it is connected.
- Ensure the drive is programmed to the latest firmware version.
- Hardware fault- drive power card or control card faulty.
