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err: TEMP FALL ERROR

Discussion in 'Troubleshooting' started by Island Bill, Sep 10, 2014.

  1. Island Bill

    Island Bill Active Member

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    For some reason I cannot account for, I am getting this error on the LCD screen (I'm using the RepRap XXL lcd controller).
    err: TEMP FALL ERROR

    I have grepped for this error in the robo3d firmware source code, and it does not appear anywhere. I have searched for "FALL" and it does not appear anywhere.

    Any ideas?
     
    #1 Island Bill, Sep 10, 2014
  2. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    What temperature does this occur at (or is it random)?
     
    #2 mark tomlinson, Sep 10, 2014
  3. Island Bill

    Island Bill Active Member

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    Any temperature, and it happens within seconds of the print starting.
     
    #3 Island Bill, Sep 10, 2014
  4. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Is it FALL or FAIL? I agree, I can't see anything out there. Maybe @Printed Solid or someone who has used the LCD screens more can help.
     
    #4 mark tomlinson, Sep 10, 2014
  5. Island Bill

    Island Bill Active Member

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    FALL, not 'FAIL'. I checked numerous times, but it definitely says "FALL". Weird.
     
    #5 Island Bill, Sep 10, 2014
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  6. Mike Kelly

    Mike Kelly Volunteer

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    Temp fall is when the temp changes more than like 10 degrees rapidly.

    Usually it indicates a loose thermistor (jumping to 0) or a short (jumping to 300")

    What does your temp curve look like?
     
    #6 Mike Kelly, Sep 10, 2014
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  7. Island Bill

    Island Bill Active Member

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    Mike, that is precisely what it was. After posting this, I removed the print head and checked the thermistor seating. It was loose. I reapplied the adhesive and the problem is gone (I've just finished testing). Thanks for getting back to me though!
     
    #7 Island Bill, Sep 10, 2014
  8. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Hey, plus we now know what the error means :)
     
    #8 mark tomlinson, Sep 10, 2014
  9. Printed Solid

    Printed Solid Volunteer Admin
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    Agreed. Thanks Mike. @Island Bill there are thread in thermistors that you can upgrade to if you don't like the way it's sitting in there with the adhesive.
     
    #9 Printed Solid, Sep 10, 2014
  10. JuanPinto

    JuanPinto New Member

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    Hey guys, I believe I am running into the same issue. Can anyone point me in the direction to reattach the thermistor properly? What adhesive did you use?
     
    #10 JuanPinto, Jan 30, 2016
  11. Mike Kelly

    Mike Kelly Volunteer

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    I prefer kapton tape, but High Temp RTV silicone also works well
     
    #11 Mike Kelly, Feb 1, 2016

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