Quote Originally Posted by clockstick View Post
Tried to start the spindle from Mach3 again and failed. Did nothing, no reaction for the spindle, but the VFD front screen does indicate 400hz, and when I turn off the spindle in mach3 it does return to 0 but no reaction to the spindle.
Do you have the FORWARD signal properly connected to the breakout board? Does the signal change when you turn the spindle on in Mach3? Did you accidentally change parameter F044 when you played with the VFD setings?