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Answered Pre heating problem.

Discussion in 'Troubleshooting' started by maxhebus, May 23, 2016.

  1. maxhebus

    maxhebus Member

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    Hi.
    I've been able to do some printing few days ago. HIPS only with a bit of warping....

    Now when I try to print via USB as before. The bed is pre heating but as soon as it's ready, the extruder do not pre heat at all.
    I've used the control panel to test both bed and extruder and there it works. But as soon I use the Begin printing Over USB again, the extruder stops the heating and the bed pre heats. As soon as the bed ready again, the extruder pre heating do not start.

    Any body went through this?

    I'm using simplify3D.
    Bed temp: 110 C
    Extruder temp: 238 C (It did work few days ago at 245 C)
    I've checked all wiring. Restarted the printer, the software......
    At some point, pre heating was working but print was not starting and G code was reading super fast with the extruder not moving.

    Thanks in advance.
    Maxhebus
     
    #1 maxhebus, May 23, 2016
  2. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Any errors in the GCode terminal? If it is having issues or shutting off the heater there should be some feedback there.
     
    #2 mark tomlinson, May 23, 2016
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  3. maxhebus

    maxhebus Member

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    RECEIVED: T:32.50 E:0 B:109.9
    RECEIVED: Error:Temperature heated bed switched off. MAXTEMP triggered !!
    RECEIVED: Error:printer stopped due to errors. Fix the error and use M999 to restart. (Temperature is reset. Set it after restarting)
    RECEIVED: ok
    ENT: M105
     
    #3 maxhebus, May 23, 2016
  4. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    MAXTEMP is usually a shorted thermistor.
    MINTEMP is an open circuit.

    Trace the wiring and make sure it is good.

    It could be a loose connection and intermittently reading OPEN.
     
    #4 mark tomlinson, May 23, 2016
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  5. maxhebus

    maxhebus Member

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    OK Mark.
    But Why would the Extruder heating work with the control Panel.....o_O
     
    #5 maxhebus, May 23, 2016
  6. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Is it moving ? If not iis probably fine. Loose connection will fail when it is moving more likely than not

    Sent from my Xtreme Play Tab v2 using Tapatalk
     
    #6 mark tomlinson, May 23, 2016
  7. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Get it hot and manually move thee extruder d wire harness. See if it fluctuates.

    Sent from my Xtreme Play Tab v2 using Tapatalk
     
    #7 mark tomlinson, May 23, 2016
  8. maxhebus

    maxhebus Member

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    Nope.... Not moving in any situation. :(
     
    #8 maxhebus, May 23, 2016
  9. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Well the fact remains that maxtemp is a short in the thermistor wiring. Or a cracked thermistor.

    Sent from my Xtreme Play Tab v2 using Tapatalk
     
    #9 mark tomlinson, May 23, 2016
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  10. maxhebus

    maxhebus Member

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    I just did heat the extruder up to 238 C with the control panel and moved the carriage left and right and up and down an nothing is changing.
    Still same MAXTEMP error with Begin printing Over USB.
     
    #10 maxhebus, May 24, 2016
  11. maxhebus

    maxhebus Member

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    Soooo.
    I gave up and installed my brand new E3D V6 and everything now works perfectly.
    For the ones that have ROBO3D R1 Plus, you should print:
    http://www.thingiverse.com/thing:1192896
    As you will need it.
    The actual one coming with the R1 Plus is not Thick enough for the E3D V6.
    I'm sure that every body knows it already....

    S
     
    #11 maxhebus, May 24, 2016
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  12. Geof

    Geof Volunteer Moderator
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    Congrats of the v6 install. Stud thermistor ?
     
    #12 Geof, May 24, 2016
  13. maxhebus

    maxhebus Member

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    Nope. just the regular thermistor that came with the E3D V6.
    Are the stud thermistors really better?
     
    #13 maxhebus, May 24, 2016
  14. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    less fragile is all. If you need to replace the old one, use the stud one.
     
    #14 mark tomlinson, May 24, 2016
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  15. maxhebus

    maxhebus Member

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    Thanks guys. :)

    S
     
    #15 maxhebus, May 24, 2016
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