Electric Solenoid Air Valve And Lightburn

[Rick (Technical Evangelist)]

Ah, this is why I was not up on it.

Z-axis issue on Ruida controller

I don’t think you have a Ruida controller. Your firmware naming convention is indicative of a Ryxon KT332N controller. Ryxon is sort of a Ruida “clone”. If you do have this controller (the KT332N), it does not have Z axis control capability: [image] [image] I suspect you do have this controller based on your description of the U buttons controlling your bed. So I predict (and @LightBurn would need to chime in on this), your bed stepper drivers are signaled by the U axis of the control…

This might help: Air-Assist