I have a 2017 Flash Forge Creator pro. My issue is when trying to print with both extruders to be used it shuts down. I backed this up by starting to preheat both extruders with plate and it shuts down. If I preheat just the extruders it works fine. I removed the area where main board is to see if I noticed any burnt areas. Nothing seems wrong but I'm no expert. I would like some theories? I'm ok with a new main board if that's what it takes.