Separate names with a comma.
Some features disabled for guests. Register Today.
Try powering it through the USB C port with a computer or a portable usb battery pack.
You don't happen to have any of the shield cables grounded on both sides, do you? If so, it could cause ground loop interference.
What VFD and spindle are you using? I finally solved my issues with my cheap Chinese 500w brushed spindle after trying everything else...