Geeetech

OK, the problem is solved. Unfortunately not the way I would have preferred. I've bought a new main board on my own cost (although it is still in warranty period) and installed this. Now there are shown plausible temperatures again, the temperature of extruder an heatbed are the same after power up....

I've checked the mainboard using the pin-out information on the attached picture. Without cable the extruder temperature is shown as 273°C. If I connect the temperature pin with the ground then the temperature is shown up to 350°C. I think that this is a proof that there is an error on the mainboard...

Hello, I've got a similar problem with the printer. The temperature of the extruder is always shown with 273°C, even when the printer is just turned on. I have disconnected the connection cable between mainboard and extruder, nothing changes. When I disconect the cabel to the heatbed, the temperatur...