When I start to print everything is fine for about and hour or so, but then when I checked, the green screen connection on the motherboard for the heat bed was melting and smoking! I took it out and have provided it with this thread. I know that the wires can get quite warm, but I am not sure about any short circuit because I checked the wiring diagram and there is very low resistance throughout the heat bed circuit. Any solution? Any help would be much appreciated!