Questions tagged [grounding]

Questions using this tag should involve electrical grounding

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CR-10 Max slight shock when touching heat bed or frams [duplicate]

I just got my new CR-10 Max and got it assembled. I turned it on, was auto-leveling it, and I received a slight shock from the leveling bed and the frame. Is this a grounding issue? I haven't even ...
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4answers
361 views

Pololu - connect motor supply ground and logic supply ground

Is it okay to directly connect together the grounds of the logic supply and the motor supply when using a Pololu style stepper driver? If yes/no, why so?
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1answer
127 views

Magnetic field around the printer

I'm using a low voltage active screwdriver that is sensitive to magnetic fields. It is weird, even I put a metal piece on the glass over the heated bed and check it with the pen, it lights fully. If ...
4
votes
1answer
307 views

Printrun doesn't connect when 12 V is on

I'm able to connect to Arduino+RAMPS through USB. I can even check end stops with M119. However, if I plug it to the power supply, my MacBook goes crazy and restart ...