VFD retrofit Hobbymat BFE65

[Clive S]

Note that when increasing the speed, the motor "kicks" in about 2 or 3 spots through the speed range. It doesn't do it when reducing the speed. Not really sure why it does that but it's always been the same from brand new. I'm guessing it's a characteristic of the Chinese copies of the KB boards? It's never caused a problem as the motor runs smoothly if the pot is turned slightly past the "kick" point. Can anyone advise on this?

Perhaps a faulty pot or dirt on the slider on the pot. ..Clive

[birchy]

Perhaps a faulty pot or dirt on the slider on the pot. ..Clive

The machine has always done that since new...I just assumed it was a "feature" of the Chinese electrics rather than a fault?