Bed Leveling Sensor Broken?

Ack. I have some leveling issues on my A350.

I ran the auto calibration and then I went to start my next print, and it was like the sensor didn’t detect the bed and it gouged right into the bed during the auto level. Like deep. I did the manual leveling and got the same result. I have printed 400+ hours and not had this problem. Wtf have I done :sob:??

Hi, here is one way to test the proximity sensor. You can click the icon of “Calibration” in the touchscreen and the printing module will drop. Push a metal board close to the nozzle, and it will stop dropping and you can see a red dot on the surface of it. Here is a video for your reference…

Appreciated for the link, dengpengliu7