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One side fan not working, works when pushed


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Posted · One side fan not working, works when pushed

Is this just at the beginning of the print when the fans are spinning slowly, or even when they're supposed to go full speed (after 5mm by default)?

 

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    Posted · One side fan not working, works when pushed

    Sometimes a tiny bit of debris can stop small fans from spinning up, I get his quite often with my RC models. It might be worth checking to see if there is a chunk of fluff restricting it slightly.

     

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    Posted · One side fan not working, works when pushed

    Thanks for the replies, I tested the fans with the fan control on the menu and they all seemed to work ok, from 0% up to 100%, I turned the dial very slowly and they both started spinning together and increased in speed, I will keep an eye on it with my next print.

     

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    Posted · One side fan not working, works when pushed

    I have the same issue, also with the right fan. UM promised me about a month ago they would send me a replacement for it. Never heard of it again. Sigh

     

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    Posted · One side fan not working, works when pushed

    Are both fans controlled independently? or both fans are actually connected to one PWM driver?

     

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    Posted · One side fan not working, works when pushed

    Still have a fan problem, I am printing something as I write this, one fan started spinning very slowly and the other one was not moving, I waited for a few mins, still not spinning, so I pushed it around with my finger and then it started spinning on its own, does this sound like a faulty fan then?

    When I test when with the fan speed control on the menu they seem ok

     

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    Posted · One side fan not working, works when pushed

    If you push the head around when you control them from the menu, does that make a difference? I was thinking that there might a bad connection and/or wire somewhere that is making intermittent contact? Just a random thought.

     

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