Need help getting Z axis to work

[LoneZCNC]

I have a new CNC that came as a complete kit. Everything works but the z axis motor. When the machine is off the z axis is easily turned. When it is in it is very difficult to turn. If I hook the x motor cable to the z motor it works great. I have checked the cable and the cable is fine as well. I spoke with customer support and they though I got a bad controller and sent me another one. With the new one all hooked up I am still having the same problem. I am thinking it is something wrong in the settings of the controller. I have used g sender and light burn and everything else works.

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[mactec54]

I have a new CNC that came as a complete kit. Everything works but the z axis motor. When the machine is off the z axis is easily turned. When it is in it is very difficult to turn. If I hook the x motor cable to the z motor it works great. I have checked the cable and the cable is fine as well. I spoke with customer support and they though I got a bad controller and sent me another one. With the new one all hooked up I am still having the same problem. I am thinking it is something wrong in the settings of the controller. I have used g sender and light burn and everything else works.

What control are you using Mach3 or something else

[LoneZCNC]

What control are you using Mach3 or something else

I have tried using Gsender, Universal G Sender and easel.

[mactec54]

I have tried using Gsender, Universal G Sender and easel.

Check that the Zaxis motor is correctly configured with the outputs in software, does the motor lock up when you turn the power on