curiousmech

Hi, I have an Ultimaker 2+ and its giving very strange issues. I am unable to Change material in it, it just halts on the screen after the bar is completed. You can see the attached pictures. I have tried changing heater as well as thermistor but its not working and giving me same issue I have also updated the firmware but it doesnt work Kindly guide what can be issue? Is it issue with PCB or some chip ?