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My heat bed wont stop heating after recall?

Discussion in 'Troubleshooting' started by Kirk, Aug 27, 2014.

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  1. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Yes, that sounds about right. Q3 in this case.
    If you wanted to try and repair it yourself (well, you COULD just swap the board) that would be a starting point.
     
    #21 mark tomlinson, Sep 19, 2014
  2. Kingbob

    Kingbob Active Member

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    I have a similar problem. I found heat/arcing damage to the connector under the bed, but i suspect thats as a result of the FET failing since the bed heats up uncontrolled.
     
    #22 Kingbob, Sep 20, 2014
  3. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    If you can handle a soldering iron, replacing it is not a huge problem. If you can find someone who can solder, hand 'em a 6-pack for their effort (for consumption AFTER of course).
     
    #23 mark tomlinson, Sep 20, 2014
  4. Kingbob

    Kingbob Active Member

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    Yeah i'm happy with a soldering iron. Found some of the MOSFETS at RS components, should have them in a couple of days.
    I've also ordered a spare RAMPS board just in case.
     
    #24 Kingbob, Sep 21, 2014
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  5. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Sweet. Smart move on the spare RAMPS board.
     
    #25 mark tomlinson, Sep 21, 2014
  6. Kingbob

    Kingbob Active Member

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    Since i can still print, i'll wait until i've got the RAMPS board before i try replacing the MOSFET. That way if i kill it, i can change the board and not be out of action for long.
     
    #26 Kingbob, Sep 21, 2014
  7. Kingbob

    Kingbob Active Member

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    Well i didnt need the spare RAMPS board (this time). Replaced the FET with a new one, and bed temp is controllable again.
     
    #27 Kingbob, Oct 17, 2014
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