Graham Wideman

Very interesting. What kind of printer is this? When you say "any of the stepper motors", do you mean the X, Z and Extruder motors? Could you assess which of...

@pozi78 Thanks for your comprehensive reply. > At this moment it is clear that the drivers reset when the ESD reach them. It is what they do according to the...

@skiwall : > Also the 4.2.7 board uses stepper drivers in standalone mode so they are hardware set for Vref etc therefore even if ESD was sent to them they...

> So I've added earth leads to all motors and the frame and wired them to the PSU case (earth), 10 hour print went smoothly with no failures. Motors stayed...

@iZz0s says: > i've just got the same problem and even a reboot don't fix this. Steppers are getting really hot and loud. board is just some days old. Are...

> I've gotten a new board, a new power supply (mean well) and this is still happening. Seriously we need some answers. 1. Which "this" are you referring to? 2....

> > 1. What is the status of the ground on each of the motors for the axes that are affected? > > The ones affected are connected directly to...

> The ones that have been affected are the extruder motor and the z motor though which I believe are > grounded to the frame. The Y and the X...

> > > The extruder on mine is on the top most rail (with the bowden going down instead of right) which is touching the frame unlike the normal x...

@leech420 > My mode of failure is the same, randomly starts overheating, loud steppers etc, > but instead of "missing steps" my board seems to enjoy trying to build from...