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Danfoss VLT 8272 160kw 400volt variable speed drive.
I have a problem with this drive . Hooked upto a 160kw 60 hertz motor. Runs perfectly (it seems) up to 42 hertz. after that it shows a warning Fault 4, which is Mains Imbalance (AC Phase loss). But this is not the problem and is easily tested. Has anyone have any clues as to what the real problem maybe?
I have a problem with this drive . Hooked upto a 160kw 60 hertz motor. Runs perfectly (it seems) up to 42 hertz. after that it shows a warning Fault 4, which is Mains Imbalance (AC Phase loss). But this is not the problem and is easily tested. Has anyone have any clues as to what the real problem maybe?