Quote Originally Posted by mark84 View Post
Clive, thanks so much for the detailed reply. I tried what you said, the vfd tried to accelerate up presumably too fast and makes the distinct click of a circuit breaker or similar, presumably because it misses the speed, however, as I power it down and a second click is heard as the vfd releases the spindle very briefly spins. I'm not sure where to go from here.
Thanks again for the reply Clive, it's much appreciated
So if I understand what you are saying. With the FOR and DCM (without the original wires connected) the spindle powered up, If then you remove the link the spindle should stop. If that is the case then check the original cables from the FOR and DCM back to the BOB and makes sure the connections are secure. A picture of the bob might help