Yes i had the cramps config the problem was happening as soon as i plugged 
in the power, the motors were locking up..

I swapped back to the bebopr and was not getting the same problem, i am 
thinking that it's the stepper drivers not sure why. i tried about 8 
different drivers with the cramps,
and now 1 or 2 motors would lock up i went back to a old set of a4988 
drivers from the 8825 and they worked on the bebopr no lockup at power on.
and i was able to home and it worked,, 

So looks like i have a driver problem i just can't figure out that out of 8 
or 10 8825 drivers most seem to be bad,  is there a way to test them?

Thanks gary  

On Friday, January 26, 2018 at 2:40:23 PM UTC-5, gary wrote:

> I had my cramps wired and configured but had problems with the mcodes so 
> disconnected it
> and put back my bebopr board and figured out what i was doing wrong..
>
> Now i put back the cramps and reconnected it but i am having stepper motor 
> problems
> as soon as i plug the board in to 12v the motors lockup and not when i 
>  hit the power or estop buttons in machinekit
>
> i can't get any motor movement no homing nothing, before i 
> disconnected the cramps, the motors would only lock when i hit the power 
> estop buttons
> in machinekit gui screen.
>
> i didn't change any thing with the wiring or connectors all is the same as 
> before i disconnected it
>
> I get power to the stepper drives adjustment screws and can adjust them ok
>
> didn't change any jumpers on the board..
>
> thanks for any suggestions
> Gary
>

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