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  1. #1
    Administrator bolsoncerrado's Avatar
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    QUICK QUESTION! (I hope!) Do any of your printer (inside case) fans speed up?

    Have you noticed if any of your printer (inside case) fans speed up when X, Y or Z start to "move" upon printing something?

    I think I locate the noise inside the power source, but makes no sense to me UNLESS there's a short somewhere (or something wired wrong for the same matter).

    Any one please?


    Kindly reply yes or no.

    Thanks!

  2. #2
    Regular 3D Printer
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    Some fans power up when some actions are taken, like: enable stepper motors(which also enables stepper drivers and requires cooling), heating bed or extruder(which heats MOSFETS onboard and requires cooling) and all of these actions require more power which PSU is supplying so PSU also requires additional cooling.

    Situation is same for me, fans become loud when above actions are taken.

  3. #3
    Regular 3D Printer
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    yup ... same. when motors start moving and ready to print the fan starts whirling louder.

  4. #4
    Administrator bolsoncerrado's Avatar
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    OK thanks, just wanted to confirm this is not a fault...

  5. #5
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    A fan somewhere in my case makes an awful noise when first booting the printer, If I bang the casing it sometimes goes away otherwise it does go quiet eventually and doesn't return until I switch it on again the next day ???

  6. #6
    Administrator bolsoncerrado's Avatar
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    Thats the power source fan, almost sure... I'm considering removing it and put another one too...

  7. #7
    Expert 3D Printer
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    The power source fan is of very poor built quality (just like its mothership power source).
    Because I fixed mine, caused by a blowing up capacitor, I noticed that everything inside the power source is really really bad.
    Just look for example the drawing in the PCB of the size of the capacitors, and the real capacitor it was placed (the capacitor that I am talking about are those large black cylinders).

    When the power source fails, the worse that can happen is to get an interrupted print. Then you can replace for a new one.
    I am not sure if the power source can be the sole reason for other problem (connectivity, vibration, etc).

    But in fact my printer with a new power source is much more quieter and never has connection problems.

  8. #8
    Administrator bolsoncerrado's Avatar
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    But you said the second power source u got was from the same manufacturer? they have 2 build qualities? or Rapide just bought a bulk of cheap crap?

  9. #9
    Expert 3D Printer
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    The second one, because it was designed for 400W, has small different components, but the quality is also not good.
    At least this one didn't have rusty connections and loose soldier blobs. The fan does not vibrate.
    I guess it can also be a matter of luck.

  10. #10
    Administrator bolsoncerrado's Avatar
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    No other company in the world does powersources like this then?

 

 

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