I've adjusted the warning pot and now the yellow led remains unlite during power up but the red led still clicks on for a couple of seconds with that buzzing noise then goes out bringing on the fault led and cutting power to the motor.
I've checked the dc supply-in and its reading 82v like the other 2 drives.
I feel something has gone on the board.
I've adjusted the current overload pot to the extreme cw position but it still trips out.
I've tried the x command in hyperterminal but this causes the overload led to trip on for a couple of seconds with the buzzing noise and then the fault led comes on again.
Very frustrating.


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