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Unresolved Hotend heated build plate not working now

Discussion in 'Troubleshooting' started by Kenji, Apr 14, 2017.

  1. Kenji

    Kenji New Member

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    Hi everyone. So I just received my Robo 3d R1 Plus yesterday and I immediately downloaded and install the drivers/Program for the Arduino, MatterControl was installed and connected and I printed a calibration circle no problems. Then I started it up the next day and my Heated build plate says the temp is 354C. After reading the the forums and calling ROBO i came to the conclusion that the thermister is bad, no problem I will print with out it with PLA, but the HOTEND does not preheat nor does the temp rise above 23-24C. I looked underneath thinking something came undone but everything was tight. HELP PLEASE. Was really excited to start printing......
     
    #1 Kenji, Apr 14, 2017
  2. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Sounds like more than the thermistor.
    Wiring loom has issues or the RAMPS board itself.

    Dump us out a copy of the entire GCode console log from a session where you booted it, connected and it is failing.
    We might find some errors in there to narrow it down.

    You may also need to disable that thermistor if the firmware has the thermal runaway detection enable because that thermistor is reading far too high.
     
    #2 mark tomlinson, Apr 14, 2017
  3. Kenji

    Kenji New Member

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    #3 Kenji, Apr 14, 2017
  4. Kenji

    Kenji New Member

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    Also, forgot to mention I do get an hardware error message. It says" Error: Temperature heated bed switches off. Max temp triggered!!!
     
    #4 Kenji, Apr 14, 2017
  5. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Yep. Maxtemp means you are not going to be printing.

    Sent from my SAMSUNG-SM-G930A using Tapatalk
     
    #5 mark tomlinson, Apr 14, 2017
  6. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Disconnect the thermistor from the ramps and see if it goes to zero... then at least you are able to print

    Sent from my SAMSUNG-SM-G930A using Tapatalk
     
    #6 mark tomlinson, Apr 14, 2017
  7. Kenji

    Kenji New Member

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    Will do. Keep you posted.
     
    #7 Kenji, Apr 14, 2017
  8. Kenji

    Kenji New Member

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    UPDATE. So I disconnected the heated bed and thermister for it and I am printing now.
     
    #8 Kenji, Apr 17, 2017
  9. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Just be sure to get Robo3D to replace what is broken under warranty.
     
    #9 mark tomlinson, Apr 17, 2017

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