New machine has knackered control box :-( Need a new one

[routercnc]

Try turning the jog rate down (velocity) on the faulty axis

When you move in X it runs at full speed

When you move diagonally it will run at a lower X speed to maintain the same diagonal speed. Clearly this works ok so turning X speed down will do the same and it should then be ok

Obviously this is just to get you working. For some reason the driver or wiring is not happy with the pulse rate required for the X axis velocity you are tuned to.

Do you have an oscilloscope? You can check the pulses and see where the dropout is happening. If not check all terminals are tight and make a good connection .

Also that acceleration rate is very low. This is not related to your problem but that will get annoying when you are trying to get into position

Good video by the way that really helped