Quote Originally Posted by mark35gun View Post
odd thing is the guy i bought it off had ran it for 11 years with no problems with this set up,
now here's the thing, he disconnected the cabling from the phase convertor to facilitate moving the m/c and marked up all cables and where they go, i was very careful to re wire exactly as marked, but if he has made a mistake................
So I've had a quick look at every Denford wiring diagram I can see. I dont see anything where the actual servo drives are actually connected to all 3 phases, they seem to take a single phase for input power. That said, yours might be different.