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Original Prusa i3 MK2.5 & MK2.5S
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Heated bed problem - change the MOSFET?
 
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Heated bed problem - change the MOSFET?  

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marco
 marco
(@marco-4)
Eminent Member
Heated bed problem - change the MOSFET?

Hi,

In my mk2.5, The heated bed sometimes stops working:

  • I checked the tension from the power input and is OK.

  • The 15 Fuse seems OK (tested with multimeter => no resistance)

  • The onboard connector (Board -> heated bed) is OK. Just o be sure I replaced it and nothing changed.

  • On the on board connector, the tension is very weak (around 2V)

    • What I have to chek yet is:

  • Power Input -> Board connector (but visually it seems OK, no plastic melt, etc)

  • The MOSFET

    • My suspects now are on the MOSFET, it's possible to replace it? If so, how?

    Publié : 27/09/2018 10:38 am
    marco
     marco
    (@marco-4)
    Eminent Member
    Topic starter answered:
    Re: Heated bed problem - change the MOSFET?

    Nevermind.
    It was the Power Input -> Board connector.
    Changed it and now it's all OK.

    Publié : 29/09/2018 9:30 am
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