Stepper powering LCD

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richardphat
Prints-a-lot
Posts: 25
Joined: Thu Jun 05, 2014 10:43 pm

Stepper powering LCD

Post by richardphat » Fri Jun 06, 2014 1:47 pm

Hey,

I just finish building the Rostock Delta V2. Before I plug the power cord to the power supply, my LCD screen emits light when I was moving the extrusion arms attached to the motor. Is it something I should be worrying about? I thought you can't have current when the switch is off or the power cord is not connected.


Thanks.

Max
Printmaster!
Posts: 58
Joined: Wed Apr 16, 2014 2:47 pm

Re: Stepper powering LCD

Post by Max » Fri Jun 06, 2014 1:51 pm

I've seen this also. The stepper is acting like a generator, and creating a small charge. That's why it's best to not move the steppers by hand unless you have to.

richardphat
Prints-a-lot
Posts: 25
Joined: Thu Jun 05, 2014 10:43 pm

Re: Stepper powering LCD

Post by richardphat » Fri Jun 06, 2014 1:56 pm

Thanks, I am glad it wasn't something specific related to my printer.

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