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Unresolved Nozzle temp drops

Discussion in 'Troubleshooting' started by Cbrown, Jun 8, 2016.

  1. Cbrown

    Cbrown Member

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    I have started to have a problem with the hotend holding a consistent temperature during prints at 215c. Its heats up, starts the print then falls to 185c within a few minutes then I get an Temp error on my lcd.

    Could there be a problem with the red thermistor?
     
  2. Nathanfish

    Nathanfish Active Member

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    I've had my fan kick on and cool down my hotend enough to fail.
     
  3. KTMDirtFace

    KTMDirtFace Well-Known Member

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    What fan are you using? stock?

    Do you have a fan duct?

    I have to set my Stock R1+ to about 60% fan speed after the second layer or it gives me temp fall errors. If I use 100% fan speed it always gives me temp fall errors.. Thats with simplify3d though I don't know how mattercontrol is.
     
  4. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
    Staff Member

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    This is not a slicer issue. Simplify is commanding the temp same as MC would the hotend is not maintaining it.
    That can be because of the air from the parts fan blowing on the nozzle or a weak heater core (I love the 40w ceramic ones-- never an issue since swapping).
     
    Nathanfish and Geof like this.

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