Hi, Problem With My k40 , Its wery sensitive ,

Hi,
Problem With My k40 ,
Its wery sensitive , i have just change the originalboard too a cohession 3D,
When My CW-5000 water chiller goes on the K40 stops and went back too home. ( and My machine is grounding)
Even when i turn down or on the lamp in the rom it stops .
How can i solve theese problem ?
I did not have any problems With My old board when running corallaser.

You might need a separate power supply for cohesion 3-D board.