On 03/04/2017 11:37 AM, Ben Potter wrote: > Yes, but the same drive connected to the X motor/tacho also runs at max > speed. Have not tried the X drive connected to the Z motor. > > Don't, until you have checked the motor for intermittent shorts to ground. (Since you put the drive back, and it doesn't blow fuses any more, but spins, this is a bit less likely, but you don't want to risk popping any more amplifiers.
Most likely it was a transistor that failed to the shorted condition, that has now been blown open. Jon ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, SlashDot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
