Problem with Syil machines is they have no decent support or documentation with them.
They change specs with no warning.

I have trouble shooted a few but to be honest they are hard work , the wiring leaves a lot to be desired and really it's best to go back to basics and start again.

The Smooth stepper models are virtually unsupported as Syil didn't do any documentation and the support from Warp9 the smooth stepper peopl is pathetic.