Geeetech

Thanks for the replies. I contacted Geeetech, they told me the board was defective and they are sending me another one.

Hello.
:mrgreen:

In such a case I would look at how the actuating element that starts the heating is controlled. ;)
I am thinking here of the MOSFET transistor.

What I mean by this is that the control may not be as it should be.
At least it would be worth checking.

You may need an ...

I'm having a weird problem with my A10 since i bought it 3 weeks ago : temperatures values on both bed and hot end are unstable, varying from 5 to 6 degrees every 5 seconds or so.

I never succeeded to get a proper print. Sometimes I have to wait for ages for the printing to start and the extrusion ...