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Is the version of Viper Tune you are using available? This is very helpful Thank you for taking time to make this video.

I have a few issues with my viper drives they are running SEM 30U4-42 motors. The drives will trip (8 flashes) after I release the jog button. I now have them set to 100 in. min. and the accel set to...

Well I found one leg of the upper right resistor not attached
To the board. It looks like it may have been hot
Where it attached to the board. I removed the board from the heat sink
To see the...

It had been working fine the drive needed some fine tuning.
In viper tune I am getting steps in both directions
And the encoder is reading.

I am doing a mach3 retrofit on a ycm40 .
I bought the viper 200 drives in Dec. 2016
But just got to the point of installing the electronics
A few weeks ago. It has SEM servos with
US digital...

I bought a Supermax YCM-40 mill as a project to rebuild and convert to MACH 3. Well I have the mill mostly disassembled and when I went to take apart the spindle the end cap was locked on. I got it...

I found a motor.
Thanks

I just bought a supermax ycm 40 with out a
Spindle motor and motor pulley I also need the hand cranks
For the X,Y and knee
Thanks