Help Please! save a brother out of this problem

[WC-Dsigns]

Hello,

I bought a CNC router from a guy who was going out of business.
It was cutting ok for a while 6 months or so and then it started to error and ruining some of the material every now and then.
I relocated and moved it. rewired the power in with metal conduit line(??)
and now I'm having trouble making it work.
This is the startup process I use right now:
Turn on the control box, (I hear a sound of motors engaging but mostly the Z axis one)
-Turn on the computer and make sure the Ethernet cable and USB cables are connected (if I remove either it won't work)
-Turn on Mach3 (this is when it gets tricky) mach3 recognizes ESS but if I don't plug or if I remove the USB cable that is also connected to the box it would lose connection.
if I leave both cables plugged I'm ok (for a while),
most times it will allow me to move the gantry and the router to the desired 0 position
I will then run the Gcode and after maybe 20 to 30 seconds of operation, the motors will start making noises triggering the gears and would move the gantry back and forth
or just one motor at a time. Once it starts doing this it would not respond to mach3 anymore or it would move X and Y while I push X.
if I push the stop button on mach3 it would not make a difference, but if I unplug the USB or the Ethernet cable the movement and noise would stop cold.
I already tried a different USB Cable. I'm going to try a new Ethernet cable.

Please, gentlemen! or Ladies,
What do you think is causing this problem?
Would you please give me an idea of what can cause this? EMI??
bad control box? bad setting on Mach3? How do I check?
I dont't know where to find a technician in my area.
Thanks for your help
WC

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[mattcnc123]

I can work with you to solve your problem

[WC-Dsigns]

hey Matt,
I would really appreciate your help
I'm in California
I don't know how to PM yet but
my email is wcdsigns@gmail.com
please email and I will send the phone #
Thanks,
Will

[mattcnc123]

You are welcome.

[WC-Dsigns]

Hey Matt,
Thanks for all your help.
you were right about the USB port.
you are a genius!

[mattcnc123]

I am really happy that you can work with your machine again.

Matt

[tom o]

So what did he say?

[WC-Dsigns]

Tom o,
The usb port was providing power to the ESS, but it wasn't providing the 5V needed and was making the CNC lose communication,
when testing the voltage, it was only sending 4.6 volts instead of 5. so I changed the power supply and hardwired it to the ESS and the problem was fixed.
Thanks,