Right extruder plunging into leveling pad

Is my bed platform ruined? And why isn’t my right extruder stopping at the contact?

Hey, as I am no J1 owner I could you only link to this troubleshooting guide:
https://wiki.snapmaker.com/en/snapmaker_j1/troubleshooting/calibration_failure

Anyway, if you need further support simply shoot a ticket and open a support request.
Unfortunately currently is a kind of vacation so the response time could be longer as adopted.
https://snapmaker.formcrafts.com/support-ticket
Or support@snapmaker.com

I figured out the issue, the threadlocker on the screws mounting the hotend board to the heat sink were isolating the nozzle from the probe circut, so I scraped off the thread locker, tested with a multimeter, and reinstalled everything.

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