Out of the blue I’ve noticed my m200 has been skipping through menu options as if someone is pushing and scrolling the control knob randomly. Then getting a print off today I got several small electric shocks off the print bed through the spatula. Does anyone have experience of this or to I have a £1500 paperweight?


This sounds really concerning.

Instantly remove the machine from the power and check EVERY wire if it might be broken!

Check if your power supply is properly grounded!

Check if the connectors of the bed are undamaged!

  • $\begingroup$ I have done and nothing is obvious. I might try it on a different power loop. I’ve only been able to find one other case online of the bed acting live but not the menu skipping. $\endgroup$
    – James B
    Apr 26 '20 at 18:28
  • $\begingroup$ @JamesB the buttons might be borked. Or your grounding line might be damaged - or not connected to the house ground. $\endgroup$
    – Trish
    Apr 27 '20 at 5:57

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