Geeetech

The temperature doesn't fluctuates widely. Just a couple of degrees. Than it begins to fall and printing stops. After turning off-on the temperature cannot reach the needed one and "thermal runaway" again. During this hotend coolers began to work unstable too. Sometimes sudden stop of printing happe...

Hello.
I have the same problem with my A10M.
Can you explain please what is the reason of the problem and what is the solvation?