Please check the fuse compartment. Press on the below article which will help demonstrate how to check if a fuse is damaged and how to replace a damaged fuse
Article: https://deteckusa.reamaze.com/kb/dt600/dt600-fuse-replacement
If the issue is not related to the fuse, please try replacing the power cord, especially if you notice that any movement of the cord is affecting the power of the machine.
The power cord should be a type-b cord with a ground socket and can accommodate a 3-pin power connector.
Amazon link: https://www.amazon.com/gp/product/B072BYGKZZ
If the above steps don’t help resolve the problem, please contact our support team at support@deteckusa.com for advice on the next steps.