Hot End Melting Bed IN Calibration

I have had the A350 for about a month now. Got some decent prints to start but recently have been having ever-increasing issues, the pinnacle of which was when the hot melted my new heated bed sheet when printing the first layer. The hot end pushed into the bed and melted the sheet. I tried to calibrate and noticed it was now doing it at every calibration point before I cut the power. The bed has some wicked scarring now and I just wondered if anyone had any ideas?

@Oliver-G wait, you calibrated with the nozzle at temp? As for it melted the sheet when printing first layer, it’s because your nozzle is too close because the sensor became loose.

Your sensor needs adjustment.


This is excellent thank you.

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