can anyone give me a clue to what I can do to get the axis motors to turn. They are locked solid to the rails. The spindle works fine

Mach4 V4.2.0.5 Licensed 
ESS v284 with MB3-BOB
Old avid 2448 with custom electronics
New Spindle and Huanyang VFD
Ive attached my profile (MyCNC_Testing.zip)

Thanks

Hi,
going to need a bit more information .

When you power up Mach4 does the ESS start communicating as signalled by the LEDs on the ESS?
Does the MB3 generate output signals, in particular does it have LEDs on the axis drive Step/Dir outputs?
The MB3 has differential Step/Dir outputs....how have you wired them to the axis drives?
What are the axis drives?
Do the axis drives require/have the required Enable input?

Craig

I didn't have the db24 cable grd pin connected. All is good Thanks