Problem on 2nd print in a session (duty cycle?)

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aaronherrick
Posts: 12
Joined: Tue Jun 16, 2015 6:29 am

Problem on 2nd print in a session (duty cycle?)

Post by aaronherrick »

Hi, I'm using a G2 mini Rostock.
My printer is working, I've made a few prints with it, but I noticed something last night that I wanted to check.
After doing a fairly large Print perfectly (~2 hours print time) I setup the next print. at about layer #25, I heard a sound like a stepper motor stalling, and my extruder position shifted. I don't think it ran into anything, it just started stalling

Steppers were warm but not hot. I did not check the drivers for overheating or to check vref.

Could this be a Vref issue on my stepper drivers?
zhangxueyou
Posts: 1405
Joined: Fri Feb 06, 2015 1:33 pm

Re: Problem on 2nd print in a session (duty cycle?)

Post by zhangxueyou »

I think the issue exists in stepper driver.
aaronherrick
Posts: 12
Joined: Tue Jun 16, 2015 6:29 am

Re: Problem on 2nd print in a session (duty cycle?)

Post by aaronherrick »

This issue appears to be resolved by adjusting the stepper motor drivers from where they were (0.8V) to 1.0
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