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Partially Solved arduino no working with ramps

Discussion in 'Troubleshooting' started by gunsmoke132, Apr 25, 2018.

  1. gunsmoke132

    gunsmoke132 Member

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    im back again for like the 20th time this week :( my problem this time is the new Arduino i completely stops responding when i have either the new ramps or the Arduino ramps installed. faulty arduino? im so tired of the games my printer has been down for months.
     
    #1 gunsmoke132, Apr 25, 2018
  2. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    So if you disconnect everything from the RAMPS and try just the Arduino/RAMPS with no outputs wired on, does it work?
    You can have a bad stepper motor/heater/wire/stepper driver that pulls down one of the RAMPS control outputs and that would make it stall even with new cards...
     
    #2 mark tomlinson, Apr 25, 2018
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  3. gunsmoke132

    gunsmoke132 Member

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    thats what i think it is i think its a bad driver lemme try
     
    #3 gunsmoke132, Apr 25, 2018
  4. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    That can do it, since they are current drivers if they go bad they can pull down the RAMPS entirely (and the Arduino).
     
    #4 mark tomlinson, Apr 25, 2018
  5. gunsmoke132

    gunsmoke132 Member

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    idk how but i think 3 of my drivers are dead. only two specific ones can be plugged in without it stalling the Arduino out
     
    #5 gunsmoke132, Apr 25, 2018
  6. gunsmoke132

    gunsmoke132 Member

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    do you recommend any specific drivers?
     
    #6 gunsmoke132, Apr 25, 2018
  7. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Honestly, no. I have used a wide range of ones from Amazon sellers and even at the prices those are (less than 2$ each) I have generally had positive results. Any more I just buy the all-in-one kits and use the bits from those since I seem to have better luck getting working RAMPS cards that way :)
     
    #7 mark tomlinson, Apr 25, 2018
  8. gunsmoke132

    gunsmoke132 Member

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    like no input on what number i should get?
     
    #8 gunsmoke132, Apr 25, 2018
  9. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    You mean how many?
    your printer uses 5 of them X/Y/Z(x2)/Extruder

    Or did you mean something else?

    The stock ones are A4988 style and I would stay with that.
     
    #9 mark tomlinson, Apr 25, 2018
  10. gunsmoke132

    gunsmoke132 Member

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    A4988 thats what i was getting at thanks my dude
     
    #10 gunsmoke132, Apr 25, 2018
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  11. gunsmoke132

    gunsmoke132 Member

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    one more quick question, how many amps did the stock ones draw?
     
    #11 gunsmoke132, Apr 25, 2018
  12. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Depends on how they were tuned but somewhere in the 2 amp range.
    I'd assume a max of 2-3 amps and make sure they have the heat sinks installed.

    In reality it will probably be less than that, but still use the heat sinks.
     
    #12 mark tomlinson, Apr 25, 2018
  13. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    I have not tuned one in a really long time, I just pop one on and use it :) If I suspect is flaky I swap another in and toss the old one.
     
    #13 mark tomlinson, Apr 25, 2018
  14. klimbo13

    klimbo13 New Member

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    When I connect my Arduino Mega 2560 to my computer it works fine. I then plug my ramps board into the Arduino and connect it to my computer it does not connect. If I have the Device Manager open and I can see it connect for a second then it disconnects. Is my ramps board bad?

    Hardware:
    Arduino Mega 2560
    Ass'd Shield+4pcs A4988 Pololus RAMPS RepRap Arduino Mega Pololu Shield electronics

    Software:
    Windows 7
    Arduino 1.0.5
    no firmware loaded yet
     
    #14 klimbo13, Jul 31, 2018
  15. Geof

    Geof Volunteer Moderator
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    Could be. You should disconnect everything from the ramps board and try to connect. If it connects at that point you start reinstalling one at a time with power off of course. When it stops connecting you know you have either hooked something up wrong or have a defective component.
     
    #15 Geof, Jul 31, 2018
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  16. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Or it may just be bad RAMPS and you have found the input/output that is taking it down. Either way you know where to start.
     
    #16 mark tomlinson, Jul 31, 2018
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