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Suddenly and randomly over-extruding, any idea what's wrong?

SparksSparks Posts: 9Member
edited January 2019 in Getting Started & Troubleshooting
My A5 has been printing fine (after the usual tweaking to get good settings) and then suddenly it started randomly squirting out and burning far too much filament part way through a print, leading to results like this.
Does anyone know what could be causing this?




Post edited by Samuel Pinches on

Comments

  • Samuel PinchesSamuel Pinches Posts: 2,997Administrator
    edited January 2019
    Welcome @Sparks ...
    Very odd...I would suggest watching the motor spindle on the extruder to see if the speed changes during printing. If it was working, you could print something like this... https://www.thingiverse.com/thing:2845889

    Maybe record a video and upload it here?
    Post edited by Samuel Pinches on
  • ProkktorProkktor Posts: 146🌟 Super Member 🌟
    I had a somewhat similar problem once: the nozzle was loose and filament was dripping down the side of the nozzle, you shoud check if the nozzle and heatbreak connect.
  • SparksSparks Posts: 9Member
    I thought the nozzle was tight, but it turns out when I heated up that it was just set filament holding it in place, so this was probably at least part of the problem.
    Unfortunately when I tried to replace the nozzle the new one snapped off in the head, so I'm going to have to get an easy-out to remove it, I'll update once that's sorted out whether that solved the issue. 
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