Help diganosing fault with chinese Chinese CNC router

[phill05]

Not had driver problems but quite a few years ago had DSP problems at the time I did away with dsp changed to Mac3 controller never had a problem since.

[Ats101]

Not had driver problems but quite a few years ago had DSP problems at the time I did away with dsp changed to Mac3 controller never had a problem since.

About 30 mins ago, turned on the machine, homed all axes and X moved in the positive direction rather than negative. Fault diagnosed as driver and I have a new one on its way.

What were the symptoms of your DSP problem so I know what to look out for?

Thanks.