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IndustryArena Forum > Machine Controllers Software and Solutions > PlanetCNC > Planet mk3 input/output noise, Need help!
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  1. #1
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    Jun 2015
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    Planet mk3 input/output noise, Need help!

    Hi everyone, I have a problem with my mk3 controller board. All of it's input/output had noised after getting wet during operation.
    This link below show exactly what going on with it. Can you give me some advise?
    https://www.youtube.com/watch?v=_mq2YYywnPI

  2. #2
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    Mar 2017
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    Re: Planet mk3 input/output noise, Need help!

    Which part of controller got wet?

  3. #3
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    Aug 2011
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    Re: Planet mk3 input/output noise, Need help!

    Was it just water or something else? If the liquid contained any salts you may be out of luck. I believe the boards are conformally coated but even that is not always waterproof.
    Did you try to bake the board at, lets say, 70 degrees C for a while? There may be some liquid hiding under the chips that takes longer to dry out.

  4. #4
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    Re: Planet mk3 input/output noise, Need help!

    It might need some compressed air around it to shift any remaining moisture.

  5. #5
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    Re: Planet mk3 input/output noise, Need help!

    Quote Originally Posted by PlanetCNC View Post
    Which part of controller got wet?
    Water overflow on the upper surface of the board. LIMIT, JOB and IN/OUTPUT ports were no longer seems to work correctly. What do you think about replacing the HC224 IC ? Thank you a lot.

  6. #6
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    Re: Planet mk3 input/output noise, Need help!

    Quote Originally Posted by JerryBurks View Post
    Was it just water or something else? If the liquid contained any salts you may be out of luck. I believe the boards are conformally coated but even that is not always waterproof.
    Did you try to bake the board at, lets say, 70 degrees C for a while? There may be some liquid hiding under the chips that takes longer to dry out.
    Thanks Jerry, It's just only water and I haven't tried your way yet. I will give it a try.

  7. #7
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    Re: Planet mk3 input/output noise, Need help!

    Quote Originally Posted by blowlamp View Post
    It might need some compressed air around it to shift any remaining moisture.
    Thanks for your advice. I tried to dry it with compressed air even the dryer but nothing changed (

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