Motors not moving

This topic contains 19 replies, has 2 voices, and was last updated by Profile photo of vicious1 vicious1 4 months, 3 weeks ago.

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  • #16765
    Profile photo of leslie
    leslie
    Participant

    im trying to run a test on the motors and I have it hooked up and repetier is talking with the arduino but its not moving when i try to send a move command. Any suggestions? (I wont be 3d printing with my machine, just need a way to test the motor function)

    18:48:54.683 : No start signal detected – forcing start

    Version: Repetier 1.6.2

    Attachments:
    #16767
    Profile photo of vicious1
    vicious1
    Keymaster

    DO you have the resistor connected to t0? windows or mac?

    #16769
    Profile photo of leslie
    leslie
    Participant

    correct, soldered strait to the board

    OS: Windows 8.1

    #16772
    Profile photo of vicious1
    vicious1
    Keymaster

    DO you get an error in repetier, what temp does the extruder show?

    #16773
    Profile photo of leslie
    leslie
    Participant

    just this one 18:48:54.683 : No start signal detected – forcing start, temp shows zero

    Attachments:
    #16777
    Profile photo of vicious1
    vicious1
    Keymaster

    If the resistor is on the correct pins, then it is not really connected, repetier should be showing an error. You could be having a driver or com port issue. Are you using the arduino drivers that came with the arduino software?

    #16778
    Profile photo of leslie
    leslie
    Participant

    yes, arduino version is 1.65

    In order to get the windows 8.1 to recognize it, I have to plug in the USB to Arduino, then to the pc, then plug in 4 port green power cable, and windows loads the ardunino driver

    Attachments:
    #16780
    Profile photo of vicious1
    vicious1
    Keymaster

    It should not need the power to be recognized. Do you have a different usb cable to try?

    #16781
    Profile photo of leslie
    leslie
    Participant

    ahh, i thought it needed the other power supply as well. So the motors can run without the green power supply (12v)?

    #16783
    Profile photo of vicious1
    vicious1
    Keymaster

    You didn’t buy it for me, did you flash my firmware on it? If you power the Arduino board and the ramps board at the same time you might have fried your Arduino Mega

    #16784
    Profile photo of leslie
    leslie
    Participant

    correct, should I flash it again? B16_32-LCD-112515 – Use this if you don’t have the full Graphic LCD screen.

    #16836
    Profile photo of vicious1
    vicious1
    Keymaster

    Any updates on this, you moving yet?

    #16839
    Profile photo of leslie
    leslie
    Participant

    no, nothing. Still not working, even after flashing it again.

    #16840
    Profile photo of vicious1
    vicious1
    Keymaster

    So did you ever plug in the ramps shield power supply (green plug) and the arduino power (barrel plug) at the same time? This would fry your voltage regulator. Do you have an lcd screen to run it from? When you flashed it it flashed successfully?

    Because it is not from me we have to step back and check all avenues.

    #16844
    Profile photo of leslie
    leslie
    Participant

    I plugged in the Ramps shield power supply and Arduino USB only per http://www.vicious1.com/forum/topic/power-supply-question-2/#post-15658

    I am not using an LCD screen

    The Arduino IDE said: Done uploading after removing and re-adding B16_32-LCD-112515…

    #16845
    Profile photo of vicious1
    vicious1
    Keymaster

    If you have an LCD that would be an easy way to take pc drivers out of the equation.

    Can you try in on another computer? Just had a user today by email with very similar problems, tried a few different drivers no success, plugged it into a different computer, no issues fired right up. The fact that your is on com 6 says you have a very good chance of at least 3 other devices/drivers screwing with it somehow.

    #16846
    Profile photo of leslie
    leslie
    Participant

    sure, ill try it on the computer that has the 3d printer on it and let you know if that works

    #16850
    Profile photo of leslie
    leslie
    Participant

    It worked….. sort of. The software is showing in repetier but the motors only work once. I can plug in a different motor to all 3 different ports and they all do the same thing, work once then dont work at all anymore.

    If I plug one in and click home or run multiple commands to that axis it will work just fine then if you unplug it and plug it back in, it no longer works.

    #16851
    Profile photo of leslie
    leslie
    Participant

    ok looks like its fixed, the Ramps board needs a switch added to it, anytime it gets shut off from repetier or the motors get switched, the entire board needs to be unplugged and plugged back in.

    I will need to create a new thread for trying to figure out which type of fan to add to the RAMPS board.

    #16852
    Profile photo of vicious1
    vicious1
    Keymaster

    If you unplug a stepper while powered up you will blow your driver, if you catch one energized or moving. You should be completely powering down and unplugging power and USB before unplugging a stepper.

    Sounds like your board is fine.

    Thingiverse is full of fan options for a ramps stack, user preference.

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