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PLA at my patience breaking point!

Discussion in 'Troubleshooting' started by Dime333, Dec 27, 2013.

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  1. Mike Kelly

    Mike Kelly Volunteer

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    Let it sit unpowered and disconnect the USB for a bit and see if it fixes. Also restart your pc
     
    #21 Mike Kelly, Dec 28, 2013
  2. Dime333

    Dime333 New Member

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    I did that and still nothing, bed still heats up no problem so really at a loss.
     
    #22 Dime333, Dec 28, 2013
  3. Dime333

    Dime333 New Member

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    I take that back the bed is dropping like it did without the fan.
     
    #23 Dime333, Dec 28, 2013
  4. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    OK, that might well be the thermistor failing (the hot end not heating up--the bed not heating up is in the other thread). [If you have the E3D coming, that is the perfect solution for the hot end problem.]

    Ping the Robo support folks they will send you a replacement.

    You should check the connections to the RAMPS board just to be sure a connector did not work loose (that would be a quick fix).
     
    #24 mark tomlinson, Dec 29, 2013
  5. Dime333

    Dime333 New Member

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    ok i will send them a message regarding the hot end along with the heatbed, i looked underneath where the boards are and didnt see anything obvious, honestly there are alot of wires down there but i will check again. Is there anywhere in particular i should look/ top or bottom boards?
     
    #25 Dime333, Dec 29, 2013
  6. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Top board is the RAMPS board. Just make sure all of the connector are firmly connected (since it was working before).

    Sadly, this is probably not a loose connection issue :( but it doesn't hurt to be certain.
     
    #26 mark tomlinson, Dec 29, 2013
  7. Dime333

    Dime333 New Member

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    Im beginning to think so too, i sent them a message hopefully i will hear back soon they are usually good about that. i will still recheck everything but i think you are right unfortunately.
     
    #27 Dime333, Dec 29, 2013
  8. Dime333

    Dime333 New Member

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    They are all screwed in properly, don't see anything hanging down or obvious so I'm going with the possibily it's just bad. I appreciate all that have tried to help and hopefully I can do the same for someone else on here.
     
    #28 Dime333, Dec 29, 2013
  9. Mike Kelly

    Mike Kelly Volunteer

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    Sounds like a loose connection to me. Though we could try reflashing your arduino and seeing if it's a software issue.

    Follow all connections from your extruder to ramps board doing a pull test on every connection. If it breaks when you pull it apart it wasn't properly soldered together and could be the failure point.

    I'm surprised by the thermistor staying at a constant temp. If it's open it should go to 0C and a short should go to 290-300+C. It might be as simple as your extruder heater has a loose connection
     
    #29 Mike Kelly, Dec 29, 2013
  10. Dime333

    Dime333 New Member

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    I will check again but I don't see the led flashing like it was before so is that any indication?
     
    #30 Dime333, Dec 29, 2013
  11. Dime333

    Dime333 New Member

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    Checked and everything is hooked up, thermistor is working properly when I take it out of the nozzle and hold it my body temp heats it up a few degrees. Right now it says 25.90 degrees and holding.
     
    #31 Dime333, Dec 29, 2013
  12. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Weird. That might be the RAMPS board then (assuming the wiring and connections are sound).
    Nice test though :)
     
    #32 mark tomlinson, Dec 29, 2013
  13. Dime333

    Dime333 New Member

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    Yeah thanks, it also heats up half a degree or so when the bed is heating up, if its the board then how is that remedied? Replacement or reflash like suggested above?
     
    #33 Dime333, Dec 29, 2013
  14. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    #34 mark tomlinson, Dec 29, 2013
  15. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    To be clear: at this point you might as well try the re-flash--it might work.
     
    #35 mark tomlinson, Dec 29, 2013
  16. Dime333

    Dime333 New Member

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    Not sure if that will void any warranties or not also not sure how to do it. I have experience in flashing Xbox 360 drives so it shouldn't be too hard I wouldn't think.
     
    #36 Dime333, Dec 29, 2013
  17. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    It should not void any warranty, but why pay for one when they should handle it under warranty?
    It is a fairly simple disconnect/reconnect (just note which connectors go where).

    Yes, the re-flash is easier, just download the code from the thread on here, install the Arduino programming IDE, load it in, compile it and send it over. If you replace the hot end with the E3D you are going to need to tweak some of the settings and recompile/reload any way :) There is a thread on that.
     
    #37 mark tomlinson, Dec 29, 2013
  18. Dime333

    Dime333 New Member

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    I hear ya on the warranty, not paying for something that should be covered, I will just wait until the e3d comes to do anything but I guess I will still need a replacement board even before that will work correct?
    Do you have an e3d? Still no word from robot yet but it is the weekend I suppose.
     
    #38 Dime333, Dec 29, 2013
  19. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    I have an E3D coming (PrintedSolid did a group order recently and I was in on that) so it is the next upgrade to be installed.

    Yea, if the board is bad then you are stuck until then. Either buy a spare or push them to take are of it (and wait for it to arrive). You should still try the reflash like you mentioned, it is possible this is just screwed up software, but it sounds more like a RAMPS failure if the wiring and thermistor are good.
     
    #39 mark tomlinson, Dec 29, 2013
  20. Dime333

    Dime333 New Member

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    Thats what I figured lol, I will try the reflash and see what happens. I have sent them an email and am just waiting to hear back. I hope the eD3 is a decent upgrade it looks to be built well enough.
     
    #40 Dime333, Dec 29, 2013
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